Unreviewed EFL build fix.

Fix linking errors due to undefined symbols on Ubuntu 13.04.

* DumpRenderTree/efl/CMakeLists.txt:
* EWebLauncher/CMakeLists.txt:
* MiniBrowser/efl/CMakeLists.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150376 268f45cc-cd09-0410-ab3c-d52691b4dbfc