[EFL][WK2]: WebProcessMain: hide call to ecore_x_shutdown() under guard
https://bugs.webkit.org/show_bug.cgi?id=115295

Patch by Sergio Correia <sergio.correia@openbossa.org> on 2013-04-29
Reviewed by Andreas Kling.

Since the mentioned function is declared in a header that is included
conditionally depending on HAVE_ECORE_X being defined.

* WebProcess/efl/WebProcessMainEfl.cpp:
(WebKit::WebProcessMainEfl):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149283 268f45cc-cd09-0410-ab3c-d52691b4dbfc