allow gyp_skia to be run from any directory.

R=epoger@google.com

Author: halcanary@google.com

Review URL: https://codereview.chromium.org/240383003

git-svn-id: http://skia.googlecode.com/svn/trunk@14239 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed