Fix linter warnings.

Author: aardvark179

src/main/java/org/truffleruby/interop/ProxyForeignObject.java

@@ -50,7 +50,7 @@ protected Object send(Message message, Object[] rawArgs,
             if (message == EXECUTABLE || message == INSTANTIATE) {
                 args = (Object[]) rawArgs[0];
             } else if (message == INVOKE) {
-                args = ArrayUtils.unshift((Object[])rawArgs[1], rawArgs[0]);
+                args = ArrayUtils.unshift((Object[]) rawArgs[1], rawArgs[0]);
             } else {
                 args = rawArgs;
             }