[pinpoint] Add '.mkv' to the list of acceptable video suffixes

[Øyvind Kolås <ok src gnome org>]

commit f508b700e753f6c5120c1c661922731ea3d8ad4c
Author: Chris Lord <chris linux intel com>
Date:   Sun Mar 6 08:37:30 2011 -0800

    Add '.mkv' to the list of acceptable video suffixes

 pinpoint.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/pinpoint.c b/pinpoint.c
index 757823a..9e732eb 100644
--- a/pinpoint.c
+++ b/pinpoint.c
@@ -549,7 +549,8 @@ pp_parse_slides (PinPointRenderer *renderer,
                        || g_str_has_suffix (filename, ".mov")
                        || g_str_has_suffix (filename, ".mp4")
                        || g_str_has_suffix (filename, ".wmv")
-                       || g_str_has_suffix (filename, ".webm"))
+                       || g_str_has_suffix (filename, ".webm")
+                       || g_str_has_suffix (filename, ".mkv"))
                         point->bg_type = PP_BG_VIDEO;
                       else if (g_str_has_suffix (filename, ".svg"))
                         point->bg_type = PP_BG_SVG;