cosmetics: remove useless whitespaces and put braces correctly

Originally committed as revision 12942 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/movenc.c

@@ -290,14 +290,12 @@ static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
     else
         put_be32(pb, track->enc->rc_max_rate); // avg bitrate
 
-    if (track->vosLen)
-    {
+    if (track->vosLen) {
         // DecoderSpecific info descriptor
         putDescr(pb, 0x05, track->vosLen);
         put_buffer(pb, track->vosData, track->vosLen);
     }
 
-
     // SL descriptor
     putDescr(pb, 0x06, 1);
     put_byte(pb, 0x02);