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/GrGLIndexBuffer.h b/src/gpu/gl/GrGLIndexBuffer.h
index 9f32890..68c165f 100644
--- a/src/gpu/gl/GrGLIndexBuffer.h
+++ b/src/gpu/gl/GrGLIndexBuffer.h
@@ -12,7 +12,7 @@
 #define GrGLIndexBuffer_DEFINED
 
 #include "../GrIndexBuffer.h"
-#include "GrGLInterface.h"
+#include "gl/GrGLInterface.h"
 
 class GrGpuGL;