Adds third_party/libjingle/source to .gitignore (this is a follow up to http://codereview.chromium.org/2255007/show which brings this directory via DEPS).
Adds third_party/libjingle/source to .gitignore
(this is a follow up to http://codereview.chromium.org/2255007/show which brings this directory via DEPS).

Review URL: http://codereview.chromium.org/2583001

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@48829 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