* FrameBuffer.setTargetIndex() will set refresh needed on FrameBuffer

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9049 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/texture/FrameBuffer.java

@@ -290,6 +290,7 @@ public class FrameBuffer extends NativeObject {
             throw new IllegalArgumentException("The target at " + index + " is not set!");
 
         colorBufIndex = index;
+        setRefreshNeeded();
     }
 
     /**