One more buildfix for !ENABLE(PLUGIN_PROCESS) platforms.

Patch by Csaba Osztrogonác <ossy@webkit.org> on 2013-02-13

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

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142817 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Try once again to fix the build after r142756

* Source/autotools/PrintBuildConfiguration.m4: Do not try to print the GStreamer version
in the build output.
* Source/autotools/SetupAutoconfHeader.m4: Remove the last reference to have_gstreamer.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142818 268f45cc-cd09-0410-ab3c-d52691b4dbfc