move declaration to mov.h

Originally committed as revision 5299 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/mov.c

@@ -382,7 +382,6 @@ static int ff_mov_lang_to_iso639(int code, char *to)
     return 1;
 }
 
-extern int ff_mov_iso639_to_lang(const char *lang, int mp4); /* for movenc.c */
 int ff_mov_iso639_to_lang(const char *lang, int mp4)
 {
     int i, code = 0;

libavformat/mov.h

@@ -3,6 +3,7 @@
 
 /* mov.c */
 extern const CodecTag ff_mov_obj_type[];
+extern int ff_mov_iso639_to_lang(const char *lang, int mp4);
 
 typedef struct Time2Sample{
     int count;

libavformat/movenc.c

@@ -76,9 +76,6 @@ typedef struct MOVContext {
 
 static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track);
 
-/* output language code from iso639 language name */
-extern int ff_mov_iso639_to_lang(const char *lang, int mp4);
-
 //FIXME supprt 64bit varaint with wide placeholders
 static offset_t updateSize (ByteIOContext *pb, offset_t pos)
 {