Remove incorrect use of ctype.h functions.

As far as I can tell the code should not change behaviour
depending on locale in any of these places.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c
index 0b52bc7c17..da029a47df 100644
--- a/libavformat/oggparsevorbis.c
+++ b/libavformat/oggparsevorbis.c
@@ -122,7 +122,7 @@ ff_vorbis_comment(AVFormatContext * as, AVDictionary **m, const uint8_t *buf, in
             }
 
             for (j = 0; j < tl; j++)
-                tt[j] = toupper(t[j]);
+                tt[j] = av_toupper(t[j]);
             tt[tl] = 0;
 
             memcpy(ct, v, vl);