time: Add missing zero

Leftover of 56d7df91e010a177a80cfc8dbe394305
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

libavutil/time.c

@@ -41,7 +41,7 @@ int64_t av_gettime(void)
 #if HAVE_CLOCK_GETTIME
     struct timespec ts;
     clock_gettime(CLOCK_MONOTONIC, &ts);
-    return (int64_t)ts.tv_sec * 100000 + ts.tv_nsec / 1000;
+    return (int64_t)ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
 #elif HAVE_GETTIMEOFDAY
     struct timeval tv;
     gettimeofday(&tv, NULL);