[js] correct the autogenerated message on top of Makefile-JS.in

Author: pmurias

tools/build/Makefile-JS.in

@@ -1,4 +1,4 @@
-# This is the JS Makefile - autogenerated by gen-makefile.nqp
+# This is the JS Makefile - autogenerated by gen-js-makefile.nqp
 JS_BUILD_DIR = gen/js
 JS_STAGE1 = $(JS_BUILD_DIR)/stage1
 JS_STAGE2 = $(JS_BUILD_DIR)/stage2

tools/build/gen-js-makefile.nqp

@@ -84,7 +84,7 @@ sub cross-compile(:$stage, :$source, :$target, :$setting='NQPCORE', :$no-regex-l
 
 
 
-comment("This is the JS Makefile - autogenerated by gen-makefile.nqp");
+comment("This is the JS Makefile - autogenerated by gen-js-makefile.nqp");
 
 constant('JS_BUILD_DIR','gen/js');
 constant('JS_STAGE1','$(JS_BUILD_DIR)/stage1');