[aravis] gst: fix memory leak.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit a22b494644077368ca4b789139d6070350b49422
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Thu Feb 17 17:00:33 2011 +0100

    gst: fix memory leak.

 gst/gstaravis.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gst/gstaravis.c b/gst/gstaravis.c
index 6c50b41..86b32a5 100644
--- a/gst/gstaravis.c
+++ b/gst/gstaravis.c
@@ -100,6 +100,8 @@ gst_aravis_get_all_camera_caps (GstAravis *gst_aravis)
 		}
 	}
 
+	g_free (pixel_formats);
+
 	return caps;
 }