Move GL-specific include files to their own subdirectory, to better
coexist alongside D3D backend.
Requires gyp change.

http://codereview.appspot.com/5665045/



git-svn-id: http://skia.googlecode.com/svn/trunk@3185 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLUtil.cpp b/src/gpu/gl/GrGLUtil.cpp
index f12b407..23ed5b4 100644
--- a/src/gpu/gl/GrGLUtil.cpp
+++ b/src/gpu/gl/GrGLUtil.cpp
@@ -7,8 +7,8 @@
  */
 
 
-#include "GrGLConfig.h"
-#include "GrGLInterface.h"
+#include "gl/GrGLConfig.h"
+#include "gl/GrGLInterface.h"
 
 void GrGLClearErr(const GrGLInterface* gl) {
     while (GR_GL_NO_ERROR != gl->fGetError()) {}