Make images properly depend on utils.
http://codereview.appspot.com/4629068/


git-svn-id: http://skia.googlecode.com/svn/trunk@1699 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/utils.gyp b/gyp/utils.gyp
index 9a3683f..f0dcda9 100644
--- a/gyp/utils.gyp
+++ b/gyp/utils.gyp
@@ -102,6 +102,11 @@
               '$(SDKROOT)/System/Library/Frameworks/AGL.framework',
             ],
           },
+          'direct_dependent_settings': {
+            'include_dirs': [
+              '../include/utils/mac',
+            ],
+          },
         },{ #else if 'OS != "mac"'
           'include_dirs!': [
             '../include/utils/mac',