struct timeval requires #include <sys/time.h>

patch by Dave Yeo  daveryeo _at_ telus _dot_ net

Originally committed as revision 14793 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/os_support.c

@@ -27,6 +27,7 @@
 #include "avformat.h"
 #include <unistd.h>
 #include <fcntl.h>
+#include <sys/time.h>
 #include "os_support.h"
 
 #ifdef CONFIG_NETWORK