[frogr] Avoid declaring unused variable when not using GSTREAMER

[Mario Sanchez Prada <msanchez src gnome org>]

commit fbf83edadbba3c05abb6766201cb9f226b7c38c6
Author: Mario Sanchez Prada <msanchez gnome org>
Date:   Thu Dec 19 22:41:42 2013 +0000

    Avoid declaring unused variable when not using GSTREAMER

 src/main.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 0f57582..0807126 100644
--- a/src/main.c
+++ b/src/main.c
@@ -34,10 +34,10 @@ int
 main (int argc, char **argv)
 {
   FrogrController *controller = NULL;
-  GError *error = NULL;
   int status;
-
 #ifdef HAVE_GSTREAMER
+  GError *error = NULL;
+
   /* Initialize gstreamer before using any other GLib function */
   gst_init_check (&argc, &argv, &error);
   if (error)