fix libgui header location

Change-Id: Iec71706cdd4f29c6904993648ce873e83ef9cafe
diff --git a/core/jni/android_hardware_Camera.cpp b/core/jni/android_hardware_Camera.cpp
index b89273b..599211e 100644
--- a/core/jni/android_hardware_Camera.cpp
+++ b/core/jni/android_hardware_Camera.cpp
@@ -26,7 +26,7 @@
 #include <utils/Vector.h>
 
 #include <gui/SurfaceTexture.h>
-#include <surfaceflinger/Surface.h>
+#include <gui/Surface.h>
 #include <camera/Camera.h>
 #include <binder/IMemory.h>