[FFmpeg-cvslog] Fix compilation with os2threads

[Dave Yeo]

ffmpeg | branch: master | Dave Yeo <daveryeo at telus.net> | Thu Nov  7 11:10:20 2013 -0800| [f9c6044a6f61ba1bc93bb8e54d5105e6a97e9815] | committer: Michael Niedermayer

Fix compilation with os2threads

Signed-off-by: Dave Yeo <daveryeo at telus.net>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f9c6044a6f61ba1bc93bb8e54d5105e6a97e9815
---

 compat/os2threads.h |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/compat/os2threads.h b/compat/os2threads.h
index b816bff..441ac43 100644
--- a/compat/os2threads.h
+++ b/compat/os2threads.h
@@ -32,6 +32,8 @@
 #undef __STRICT_ANSI__          /* for _beginthread() */
 #include <stdlib.h>
 
+#include "libavutil/mem.h"
+
 typedef TID  pthread_t;
 typedef void pthread_attr_t;