itw itself warning cleanup: fixed rawtypes and unchecks, added braces and Override

After this clean up only "internal proprietary API and may be removed in a future release" warnings remain fro make check. Please keep itw in this way :)

remaining issues:

    icedtea-web/netx/net/sourceforge/jnlp/cache/ResourceTracker.java:357: warning: [deprecation] toURL() in File has been deprecated
    icedtea-web/netx/net/sourceforge/jnlp/cache/CacheUtil.java:128: warning: [deprecation] toURL() in File has been deprecated
    icedtea-web/netx/net/sourceforge/jnlp/runtime/Boot.java:261: warning: [deprecation] toURL() in File has been deprecated
  There have been a lot of work around cach x file x url escaping, and as main difference between file.tourl and file.touri.tourl is escapin, I rather left it.

    icedtea-web/plugin/icedteanp/java/sun/applet/PluginAppletViewer.java:804: warning: [deprecation] Ref in sun.misc has been deprecated
    icedtea-web/plugin/icedteanp/java/sun/applet/PluginAppletViewer.java:121: warning: [deprecation] Ref in sun.misc has been deprecated
  What can be done?

    icedtea-web/netx/net/sourceforge/jnlp/browser/BrowserAwareProxySelector.java:205: warning: [fallthrough] possible fall-through into case
    icedtea-web/netx/net/sourceforge/jnlp/browser/BrowserAwareProxySelector.java:211: warning: [fallthrough] possible fall-through into case
  This have to be fixed

1 files changed, 3 insertions, 2 deletions

diff --git a/plugin/icedteanp/java/sun/applet/MethodOverloadResolver.java b/plugin/icedteanp/java/sun/applet/MethodOverloadResolver.java
index bba1e8a..9120155 100644
--- a/plugin/icedteanp/java/sun/applet/MethodOverloadResolver.java
+++ b/plugin/icedteanp/java/sun/applet/MethodOverloadResolver.java
@@ -403,7 +403,7 @@ public class MethodOverloadResolver {
             }
         }
 
-        return matchingConstructors.toArray(new Constructor[0]);
+        return matchingConstructors.toArray(new Constructor<?>[0]);
     }
 
     private static Class<?> getPrimitiveType(Class<?> c) {
@@ -435,8 +435,9 @@ public class MethodOverloadResolver {
     private static boolean isNumericString(Object o) {
         // At this point, it _has_ to be a string else automatically
         // return false
-        if (!(o instanceof java.lang.String))
+        if (!(o instanceof java.lang.String)) {
             return false;
+        }
 
         try {
             Long.parseLong((String) o); // whole number test