Unconditionally run gclient.bat on cygwin, as gyp doesn't work right when run through cygwin python anymore (and fails subtlety).
Unconditionally run gclient.bat on cygwin, as gyp doesn't work right when
run through cygwin python anymore (and fails subtlety).

BUG=None
TEST=None
RS=pkasting

Review URL: http://codereview.chromium.org/6400002

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@72718 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

svn2github/chromium-depot-tools,svn2github/chromium-depot-tools,svn2github/chromium-depot-tools