[Cosmetics] Remove if(profile < PROFILE_ADVANCED) from decode_sequence_header()

as it's always true and reindent code inside by the way.

Originally committed as revision 6209 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/vc1.c

@@ -1164,8 +1164,6 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
                "LOOPFILTER shell not be enabled in simple profile\n");
     }
 
-    if (v->profile < PROFILE_ADVANCED)
-    {
     v->res_x8 = get_bits(gb, 1); //reserved
     if (v->res_x8)
     {
@@ -1181,7 +1179,6 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
                "0 for reserved RES_FASTTX is forbidden\n");
         //return -1;
     }
-    }
 
     v->fastuvmc =  get_bits(gb, 1); //common
     if (!v->profile && !v->fastuvmc)
@@ -1200,8 +1197,6 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
     v->dquant =  get_bits(gb, 2); //common
     v->vstransform =  get_bits(gb, 1); //common
 
-    if (v->profile < PROFILE_ADVANCED)
-    {
     v->res_transtab = get_bits(gb, 1);
     if (v->res_transtab)
     {
@@ -1209,12 +1204,9 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
                "1 for reserved RES_TRANSTAB is forbidden\n");
         return -1;
     }
-    }
 
     v->overlap = get_bits(gb, 1); //common
 
-    if (v->profile < PROFILE_ADVANCED)
-    {
     v->s.resync_marker = get_bits(gb, 1);
     v->rangered = get_bits(gb, 1);
     if (v->rangered && v->profile == PROFILE_SIMPLE)
@@ -1222,13 +1214,10 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
         av_log(avctx, AV_LOG_INFO,
                "RANGERED should be set to 0 in simple profile\n");
     }
-    }
 
     v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common
     v->quantizer_mode = get_bits(gb, 2); //common
 
-    if (v->profile < PROFILE_ADVANCED)
-    {
     v->finterpflag = get_bits(gb, 1); //common
     v->res_rtm_flag = get_bits(gb, 1); //reserved
     if (!v->res_rtm_flag)
@@ -1250,8 +1239,6 @@ static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
                v->dquant, v->quantizer_mode, avctx->max_b_frames
                );
     return 0;
-    }
-    return -1;
 }
 
 static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)