More glibc 2.8 fixes.
More glibc 2.8 fixes.

glibc 2.8 has lots of extra attributes that cause warnings when we
ignore the return value of some functions. Since warnings are fatal for
our build we need to fix these.

Review URL: http://codereview.chromium.org/11451


git-svn-id: http://src.chromium.org/svn/trunk/src@5625 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: f1ced6c3e9cb882ecf7e37523ca2e4f628dc588d
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