Add one more library, libgio-2.0.  base_unittests won't link without it.
Add one more library, libgio-2.0.  base_unittests won't link without it.

Review URL: http://codereview.chromium.org/17345

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@7906 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser