st/xorg: Fix include style

As explained in the thread starting at [0], the internal include style
should be »#include "path/to/header.h"« for non-system includes.

[0]
<http://news.gmane.org/find-root.php?message_id=%3c4E5802BE.6020206%40vmware.com%3e>

Signed-off-by: Kai Wasserbäch <kai@dev.carbon-project.org>
Signed-off-by: Brian Paul <brianp@vmware.com>
diff --git a/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h b/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
index fd14ac9..43ae717 100644
--- a/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
+++ b/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
@@ -31,13 +31,13 @@
 #include <X11/Xlib.h>
 #include <X11/extensions/XvMClib.h>
 
-#include <pipe/p_video_state.h>
+#include "pipe/p_video_state.h"
 
-#include <util/u_debug.h>
-#include <util/u_math.h>
+#include "util/u_debug.h"
+#include "util/u_math.h"
 
-#include <vl/vl_csc.h>
-#include <vl/vl_compositor.h>
+#include "vl/vl_csc.h"
+#include "vl/vl_compositor.h"
 
 #define BLOCK_SIZE_SAMPLES 64
 #define BLOCK_SIZE_BYTES (BLOCK_SIZE_SAMPLES * 2)