Make extension manager use internal api to minimize overhead.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@634288 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/framework/src/main/java/org/apache/felix/framework/ExtensionManager.java b/framework/src/main/java/org/apache/felix/framework/ExtensionManager.java
index 8f789da..96355eb 100644
--- a/framework/src/main/java/org/apache/felix/framework/ExtensionManager.java
+++ b/framework/src/main/java/org/apache/felix/framework/ExtensionManager.java
@@ -533,7 +533,7 @@
 
         for (Iterator iter = m_extensions.iterator(); iter.hasNext();)
         {
-            URL result = ((Bundle) iter.next()).getEntry(path);
+            URL result = ((FelixBundle) iter.next()).getInfo().getCurrentModule().getContentLoader().getResourceFromContent(path);
 
             if (result != null)
             {