fix libgui header location

Change-Id: Iec71706cdd4f29c6904993648ce873e83ef9cafe
diff --git a/media/libstagefright/CameraSource.cpp b/media/libstagefright/CameraSource.cpp
index ed1d5f4..2df5528 100755
--- a/media/libstagefright/CameraSource.cpp
+++ b/media/libstagefright/CameraSource.cpp
@@ -27,7 +27,7 @@
 #include <media/stagefright/MetaData.h>
 #include <camera/Camera.h>
 #include <camera/CameraParameters.h>
-#include <surfaceflinger/Surface.h>
+#include <gui/Surface.h>
 #include <utils/String8.h>
 #include <cutils/properties.h>