Enable custom suffixes for Mac bundles.

Patch by Johannes Sartisohn <jsartisohn@google.com>

Review URL: https://codereview.chromium.org/401633002/


git-svn-id: http://gyp.googlecode.com/svn/trunk@1957 78cadc50-ecff-11dd-a971-7dbc132099af
4 files changed