Fix syntax error in tools/valgrind/memcheck/suppressions_mac.txt.
Fix syntax error in tools/valgrind/memcheck/suppressions_mac.txt.

BUG=none
TEST=tests run

Review URL: http://codereview.chromium.org/500017

git-svn-id: http://src.chromium.org/svn/trunk/src@34533 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 657d6f6071587efec20a0b58f714bf78d2d23d4b
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser