need to comment out the autogenerated message

Author: talevy

build.gradle

@@ -54,7 +54,7 @@ task run (type: JavaExec, dependsOn: classes){
 task generateGemJarRequiresFile {
   File jars_file = file('lib/logstash-input-beats_jars.rb')
   jars_file.newWriter().withWriter { w ->
-    w << "AUTOGENERATED BY THE GRADLE SCRIPT. DO NOT EDIT.\n\n"
+    w << "# AUTOGENERATED BY THE GRADLE SCRIPT. DO NOT EDIT.\n\n"
     w << "require \'jar_dependencies\'\n"
     configurations.runtime.allDependencies.each {
       w << "require_jar(\'${it.group}\', \'${it.name}\', \'${it.version}\')\n"