Update cross-platform #include paths to new include/gpu/gl directory
(aka cowboy fix 3185).



git-svn-id: http://skia.googlecode.com/svn/trunk@3186 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/ios/GrGLDefaultInterface_iOS.cpp b/src/gpu/ios/GrGLDefaultInterface_iOS.cpp
index 189fb25..9fc953f 100644
--- a/src/gpu/ios/GrGLDefaultInterface_iOS.cpp
+++ b/src/gpu/ios/GrGLDefaultInterface_iOS.cpp
@@ -7,7 +7,7 @@
  */
 
 
-#include "GrGLInterface.h"
+#include "gl/GrGLInterface.h"
 
 #import <OpenGLES/ES2/gl.h>
 #import <OpenGLES/ES2/glext.h>