fix local include paths

Change-Id: Icb921fa796ec08612dbb2feb7e7161bcb0cf4a99
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp
index 72655df..03397a9 100644
--- a/opengl/libs/EGL/egl_cache.cpp
+++ b/opengl/libs/EGL/egl_cache.cpp
@@ -14,9 +14,10 @@
  ** limitations under the License.
  */
 
+#include "../egl_impl.h"
+
 #include "egl_cache.h"
 #include "egl_display.h"
-#include "egl_impl.h"
 #include "egldefs.h"
 
 #include <fcntl.h>