The flag argvGlobalsOn should be declared outside the loop

(cherry picked from commit 5c21c8e)

Author: eregon

src/launcher/java/org/truffleruby/launcher/CommandLineParser.java

@@ -105,10 +105,10 @@ private boolean endOfInterpreterArguments() {
     }
 
     private void processArgv() {
+        boolean argvGlobalsOn = config.getOption(OptionsCatalog.ARGV_GLOBALS);
         ArrayList<String> arglist = new ArrayList<>();
         for (; argumentIndex < arguments.size(); argumentIndex++) {
             String arg = getCurrentArgument();
-            boolean argvGlobalsOn = config.getOption(OptionsCatalog.ARGV_GLOBALS);
             if (argvGlobalsOn && arg.startsWith("-")) {
                 arg = arg.substring(1);
                 int split = arg.indexOf('=');