Add uvScrollNode.cxx to composite file

panda/src/pgraph/pgraph_composite4.cxx

@@ -22,5 +22,6 @@
 #include "textureStageCollection.cxx"
 #include "transformState.cxx"
 #include "transparencyAttrib.cxx"
+#include "uvScrollNode.cxx"
 #include "weakNodePath.cxx"
 #include "workingNodePath.cxx"