Generalize suppression for BUG 49260 to match new failure
Generalize suppression for BUG 49260 to match new failure

http://build.chromium.org/buildbot/memory/builders/Webkit%20Mac%20(valgrind)/builds/13166/steps/memory%20test:%20test_shell/logs/stdio

BUG=49260
TEST=none

Review URL: http://codereview.chromium.org/2847055

git-svn-id: http://src.chromium.org/svn/trunk/src@52647 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 26d37b02c6937930e2d4ea862530ee862fd5828e
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