fix libgui header location

Change-Id: Iec71706cdd4f29c6904993648ce873e83ef9cafe
diff --git a/libs/gui/DisplayEventReceiver.cpp b/libs/gui/DisplayEventReceiver.cpp
index 6a4763d..a6790ad 100644
--- a/libs/gui/DisplayEventReceiver.cpp
+++ b/libs/gui/DisplayEventReceiver.cpp
@@ -21,11 +21,10 @@
 #include <gui/BitTube.h>
 #include <gui/DisplayEventReceiver.h>
 #include <gui/IDisplayEventConnection.h>
+#include <gui/ISurfaceComposer.h>
 
 #include <private/gui/ComposerService.h>
 
-#include <surfaceflinger/ISurfaceComposer.h>
-
 // ---------------------------------------------------------------------------
 
 namespace android {