Fixing bad handling of 0 with msvs_cygwin_shell. Python needs static types.... sigh.
Fixing bad handling of 0 with msvs_cygwin_shell.
Python needs static types.... sigh.

Review URL: http://codereview.chromium.org/115307
witwall/gyp,witwall/gyp,witwall/gyp,witwall/gyp,witwall/gyp