Change visibility of ClientFunction#findBinding

This change is needed to resolve the compile problem in drop-down
diff --git a/bundles/org.eclipse.rap.clientscripting/src/org/eclipse/rap/clientscripting/internal/ClientFunction.java b/bundles/org.eclipse.rap.clientscripting/src/org/eclipse/rap/clientscripting/internal/ClientFunction.java
index f562179..45fc332 100644
--- a/bundles/org.eclipse.rap.clientscripting/src/org/eclipse/rap/clientscripting/internal/ClientFunction.java
+++ b/bundles/org.eclipse.rap.clientscripting/src/org/eclipse/rap/clientscripting/internal/ClientFunction.java
@@ -18,7 +18,6 @@
 import org.eclipse.rap.rwt.remote.RemoteObject;
 
 
-
 public class ClientFunction {
 
   private static final String REMOTE_TYPE = "rwt.clientscripting.Listener";
@@ -62,11 +61,9 @@
     }
   }
 
-  ClientListenerBinding findBinding( String targetId, String eventType ) {
+  protected ClientListenerBinding findBinding( String targetId, String eventType ) {
     for( ClientListenerBinding binding : bindings ) {
-      if(    binding.getTargetId().equals( targetId )
-          && binding.getEventType().equals( eventType ) )
-      {
+      if( binding.getTargetId().equals( targetId ) && binding.getEventType().equals( eventType ) ) {
         return binding;
       }
     }