* include time.h when using it.

modules/video_filter/time.c

@@ -27,6 +27,10 @@
 #include <stdlib.h>                                      /* malloc(), free() */
 #include <string.h>
 
+#ifdef HAVE_SYS_TIME_H
+#    include <sys/time.h>
+#endif
+
 #include <vlc/vlc.h>
 #include <vlc/vout.h>