ninja/mac: Update libtool noise filter for Xcode 5.

BUG=chromium:372716
R=senorblanco@chromium.org

Review URL: https://codereview.chromium.org/289463002

git-svn-id: http://gyp.googlecode.com/svn/trunk@1919 78cadc50-ecff-11dd-a971-7dbc132099af