src,tools: drop nul byte from built-in source code

PR-URL: #5418
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Author: bnoordhuis

src/node_javascript.cc

@@ -20,7 +20,7 @@ using v8::String;
 Local<String> MainSource(Environment* env) {
   return String::NewFromUtf8(
       env->isolate(), reinterpret_cast<const char*>(node_native),
-      NewStringType::kNormal, sizeof(node_native) - 1).ToLocalChecked();
+      NewStringType::kNormal, sizeof(node_native)).ToLocalChecked();
 }
 
 void DefineJavaScript(Environment* env, Local<Object> target) {

tools/js2c.py

@@ -42,7 +42,7 @@
 
 
 def ToCArray(filename, lines):
-  return ','.join(str(ord(c)) for c in lines + '\0')
+  return ','.join(str(ord(c)) for c in lines)
 
 
 def CompressScript(lines, do_jsmin):
@@ -221,7 +221,7 @@ def ReadMacros(lines):
 
 
 NATIVE_DECLARATION = """\
-  { "%(id)s", %(escaped_id)s_native, sizeof(%(escaped_id)s_native)-1 },
+  { "%(id)s", %(escaped_id)s_native, sizeof(%(escaped_id)s_native) },
 """
 
 SOURCE_DECLARATION = """\