gxfenc: Replace av_realloc by av_realloc_f when relevant.

Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/gxfenc.c

@@ -342,8 +342,9 @@ static int gxf_write_map_packet(AVFormatContext *s, int rewrite)
 
     if (!rewrite) {
         if (!(gxf->map_offsets_nb % 30)) {
-            gxf->map_offsets = av_realloc(gxf->map_offsets,
-                                          (gxf->map_offsets_nb+30)*sizeof(*gxf->map_offsets));
+            gxf->map_offsets = av_realloc_f(gxf->map_offsets,
+                                            sizeof(*gxf->map_offsets),
+                                            gxf->map_offsets_nb+30);
             if (!gxf->map_offsets) {
                 av_log(s, AV_LOG_ERROR, "could not realloc map offsets\n");
                 return -1;
@@ -889,8 +890,9 @@ static int gxf_write_packet(AVFormatContext *s, AVPacket *pkt)
 
     if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
         if (!(gxf->flt_entries_nb % 500)) {
-            gxf->flt_entries = av_realloc(gxf->flt_entries,
-                                          (gxf->flt_entries_nb+500)*sizeof(*gxf->flt_entries));
+            gxf->flt_entries = av_realloc_f(gxf->flt_entries,
+                                            sizeof(*gxf->flt_entries),
+                                            gxf->flt_entries_nb+500);
             if (!gxf->flt_entries) {
                 av_log(s, AV_LOG_ERROR, "could not reallocate flt entries\n");
                 return -1;