linux: set a compiler flag that drops the eh_frame section
linux: set a compiler flag that drops the eh_frame section

eh_frame is data used for exception frames.  We already disable exceptions,
but it turns out this obscure extra flag was responsible for the eh_frame
making it into our binaries.

This shaves off another few megabytes from our binaries.

Review URL: http://codereview.chromium.org/397032

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@32254 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