Make gstreamer support conditional

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>

From f1055f61bce46eccf8dc0aa017113a08d3d71944 Mon Sep 17 00:00:00 2001
From: "commit-queue@webkit.org"
 <commit-queue@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Date: Fri, 15 Mar 2013 07:13:51 +0000
Subject: [PATCH] Build fix for Tools/GtkLauncher/Programs_GtkLauncher-main.o
 if gstreamer is not installed https://bugs.webkit.org/show_bug.cgi?id=112394

Patch by Tobias Mueller <tobiasmue@gnome.org> on 2013-03-15
Reviewed by Philippe Normand.

* GtkLauncher/main.c:
(main): Guard using the gstreamer function with #ifdef WTF_USE_GSTREAMER

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145881 268f45cc-cd09-0410-ab3c-d52691b4dbfc
---
 Tools/ChangeLog          | 10 ++++++++++
 Tools/GtkLauncher/main.c |  5 ++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/Tools/GtkLauncher/main.c b/Tools/GtkLauncher/main.c
index 32baf4a..84c8833 100644
--- a/Tools/GtkLauncher/main.c
+++ b/Tools/GtkLauncher/main.c
@@ -28,7 +28,9 @@
 #include "autotoolsconfig.h"
 #include "LauncherInspectorWindow.h"
 #include <errno.h>
+#ifdef WTF_USE_GSTREAMER
 #include <gst/gst.h>
+#endif
 #include <gtk/gtk.h>
 #include <stdlib.h>
 #include <string.h>
@@ -489,8 +491,9 @@ int main(int argc, char* argv[])
     GOptionContext *context = g_option_context_new(0);
     g_option_context_add_main_entries(context, commandLineOptions, 0);
     g_option_context_add_group(context, gtk_get_option_group(TRUE));
+#ifdef WTF_USE_GSTREAMER
     g_option_context_add_group(context, gst_init_get_option_group());
-
+#endif
     webkitSettings = webkit_web_settings_new();
     g_object_set(webkitSettings, "enable-developer-extras", TRUE, NULL);
     if (!addWebSettingsGroupToContext(context, webkitSettings)) {
-- 
1.8.3.2