cleanup

Originally committed as revision 1899 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/huffyuv.c

@@ -237,17 +237,15 @@ static int generate_bits_table(uint32_t *dst, uint8_t *len_table){
     uint32_t bits=0;
 
     for(len=32; len>0; len--){
-        int bit= 1<<(32-len);
         for(index=0; index<256; index++){
-            if(len_table[index]==len){
-                if(bits & (bit-1)){
+            if(len_table[index]==len)
+                dst[index]= bits++;
+        }
+        if(bits & 1){
             fprintf(stderr, "Error generating huffman table\n");
             return -1;
         }
-                dst[index]= bits>>(32-len);
-                bits+= bit;
-            }
-        }
+        bits >>= 1;
     }
     return 0;
 }