Fix depreciation warning

[bastien-roucaries]

Please apply the following patch that fix depreciation warning

Subject: Fix depreciation warning for nodejs (>= 10)
From: Bastien Roucariès <rouca@debian.org>

Fix debci

Forwarded: 

Index: jsonparse/jsonparse.js
===================================================================
--- jsonparse.orig/jsonparse.js
+++ jsonparse/jsonparse.js
@@ -56,7 +56,7 @@ function Parser() {
   this.value = undefined;
 
   this.string = undefined; // string data
-  this.stringBuffer = Buffer.alloc ? Buffer.alloc(STRING_BUFFER_SIZE) : new Buffer(STRING_BUFFER_SIZE);
+  this.stringBuffer = Buffer.alloc(STRING_BUFFER_SIZE);
   this.stringBufferOffset = 0;
   this.unicode = undefined; // unicode escapes
   this.highSurrogate = undefined;
@@ -67,7 +67,7 @@ function Parser() {
   this.state = VALUE;
   this.bytes_remaining = 0; // number of bytes remaining in multi byte utf8 char to read after split boundary
   this.bytes_in_sequence = 0; // bytes in multi byte utf8 char to read
-  this.temp_buffs = { "2": new Buffer(2), "3": new Buffer(3), "4": new Buffer(4) }; // for rebuilding chars split before boundary is reached
+  this.temp_buffs = { "2": new Buffer.alloc(2), "3": new Buffer.alloc(3), "4": new Buffer.alloc(4) }; // for rebuilding chars split before boundary is reached
 
   // Stream offset
   this.offset = -1;
@@ -125,7 +125,7 @@ proto.appendStringBuf = function (buf, s
   this.stringBufferOffset += size;
 };
 proto.write = function (buffer) {
-  if (typeof buffer === "string") buffer = new Buffer(buffer);
+  if (typeof buffer === "string") buffer = new Buffer.from(buffer);
   var n;
   for (var i = 0, l = buffer.length; i < l; i++) {
     if (this.tState === START){
@@ -221,16 +221,16 @@ proto.write = function (buffer) {
           var intVal = parseInt(this.unicode, 16);
           this.unicode = undefined;
           if (this.highSurrogate !== undefined && intVal >= 0xDC00 && intVal < (0xDFFF + 1)) { //<56320,57343> - lowSurrogate
-            this.appendStringBuf(new Buffer(String.fromCharCode(this.highSurrogate, intVal)));
+            this.appendStringBuf(new Buffer.from(String.fromCharCode(this.highSurrogate, intVal)));
             this.highSurrogate = undefined;
           } else if (this.highSurrogate === undefined && intVal >= 0xD800 && intVal < (0xDBFF + 1)) { //<55296,56319> - highSurrogate
             this.highSurrogate = intVal;
           } else {
             if (this.highSurrogate !== undefined) {
-              this.appendStringBuf(new Buffer(String.fromCharCode(this.highSurrogate)));
+              this.appendStringBuf(new Buffer.from(String.fromCharCode(this.highSurrogate)));
               this.highSurrogate = undefined;
             }
-            this.appendStringBuf(new Buffer(String.fromCharCode(intVal)));
+            this.appendStringBuf(new Buffer.from(String.fromCharCode(intVal)));
           }
           this.tState = STRING1;
         }
Index: jsonparse/test/boundary.js
===================================================================
--- jsonparse.orig/test/boundary.js
+++ jsonparse/test/boundary.js
@@ -9,7 +9,7 @@ test('2 byte utf8 \'De\' character: д',
     t.equal(value, 'д');
   };
 
-  var de_buffer = new Buffer([0xd0, 0xb4]);
+  var de_buffer = new Buffer.from([0xd0, 0xb4]);
 
   p.write('"');
   p.write(de_buffer);
@@ -25,7 +25,7 @@ test('3 byte utf8 \'Han\' character: 我
     t.equal(value, '我');
   };
 
-  var han_buffer = new Buffer([0xe6, 0x88, 0x91]);
+  var han_buffer = new Buffer.from([0xe6, 0x88, 0x91]);
   p.write('"');
   p.write(han_buffer);
   p.write('"');
@@ -39,7 +39,7 @@ test('4 byte utf8 character (unicode sca
     t.equal(value, '𠜎');
   };
 
-  var Ux2070E_buffer = new Buffer([0xf0, 0xa0, 0x9c, 0x8e]);
+  var Ux2070E_buffer = new Buffer.from([0xf0, 0xa0, 0x9c, 0x8e]);
   p.write('"');
   p.write(Ux2070E_buffer);
   p.write('"');
@@ -53,8 +53,8 @@ test('3 byte utf8 \'Han\' character chun
     t.equal(value, '我');
   };
 
-  var han_buffer_first = new Buffer([0xe6, 0x88]);
-  var han_buffer_second = new Buffer([0x91]);
+  var han_buffer_first = new Buffer.from([0xe6, 0x88]);
+  var han_buffer_second = new Buffer.from([0x91]);
   p.write('"');
   p.write(han_buffer_first);
   p.write(han_buffer_second);
@@ -69,8 +69,8 @@ test('4 byte utf8 character (unicode sca
     t.equal(value, '𠜎');
   };
 
-  var Ux2070E_buffer_first = new Buffer([0xf0, 0xa0]);
-  var Ux2070E_buffer_second = new Buffer([0x9c, 0x8e]);
+  var Ux2070E_buffer_first = new Buffer.from([0xf0, 0xa0]);
+  var Ux2070E_buffer_second = new Buffer.from([0x9c, 0x8e]);
   p.write('"');
   p.write(Ux2070E_buffer_first);
   p.write(Ux2070E_buffer_second);
@@ -85,7 +85,7 @@ var p = new Parser();
     t.equal(value, 'Aж文𠜱B');
   };
 
-  var eclectic_buffer = new Buffer([0x41, // A
+  var eclectic_buffer = new Buffer.from([0x41, // A
                                     0xd0, 0xb6, // ж
                                     0xe6, 0x96, 0x87, // 文
                                     0xf0, 0xa0, 0x9c, 0xb1, // 𠜱