cosmetics: Consistently format all if/else statements in K&R style

and drop braces from if statements where unnecessary.

Originally committed as revision 17260 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/mpegvideo_xvmc.c

@@ -52,11 +52,10 @@ void ff_xvmc_pack_pblocks(MpegEncContext *s, int cbp)
     j = 0;
     cbp <<= 12-mb_block_count;
     for (i = 0; i < mb_block_count; i++) {
-        if (cbp & (1<<11)) {
+        if (cbp & (1 << 11))
             s->pblocks[i] = (short *)(&s->block[j++]);
-        }else{
+        else
             s->pblocks[i] = NULL;
-        }
         cbp+=cbp;
     }
 }