cosmetics (reduce nesting)

Originally committed as revision 9119 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/huffyuv.c

@@ -329,10 +329,12 @@ static void generate_joint_tables(HYuvContext *s){
             for(i=y=0; y<256; y++){
                 int len0 = s->len[0][y];
                 int limit = VLC_BITS - len0;
-                if(limit > 0){
+                if(limit <= 0)
+                    continue;
                 for(u=0; u<256; u++){
                     int len1 = s->len[p][u];
-                        if(len1 <= limit){
+                    if(len1 > limit)
+                        continue;
                     len[i] = len0 + len1;
                     bits[i] = (s->bits[0][y] << len1) + s->bits[p][u];
                     symbols[i] = (y<<8) + u;
@@ -340,8 +342,6 @@ static void generate_joint_tables(HYuvContext *s){
                         i++;
                 }
             }
-                }
-            }
             free_vlc(&s->vlc[3+p]);
             init_vlc_sparse(&s->vlc[3+p], VLC_BITS, i, len, 1, 1, bits, 2, 2, symbols, 2, 2, 0);
         }