Use full path for libavutil #includes.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26575 b3059339-0415-0410-9bf9-f77b7e298cf2

input/input.c

@@ -20,7 +20,7 @@
 #include "osdep/getch2.h"
 #include "osdep/keycodes.h"
 #include "osdep/timer.h"
-#include "avstring.h"
+#include "libavutil/avstring.h"
 #include "mp_msg.h"
 #include "help_mp.h"
 #include "m_config.h"