Forgot to remove lru.cxx in dxgsg9 add lru.cxx in display.

panda/src/display/display_composite2.cxx

@@ -8,3 +8,4 @@
 #include "graphicsBuffer.cxx"
 #include "graphicsOutput.cxx"
 #include "parasiteBuffer.cxx"
+#include "lru.cxx"

panda/src/dxgsg9/dxgsg9_composite1.cxx

@@ -8,5 +8,4 @@
 #include "wdxGraphicsPipe9.cxx"
 #include "wdxGraphicsWindow9.cxx"
 #include "dxGraphicsDevice9.cxx"
-#include "lru.cxx"