Added clear of lazy uniform updating structure on relink, also added debug

output of shader being compiled.

src/osg/State.cpp

@@ -182,6 +182,8 @@ void State::popAllStateSets()
     
     applyProjectionMatrix(0);
     applyModelViewMatrix(0);
+    
+    _lastAppliedProgramObject = 0;
 }
 
 void State::popStateSet()