libmix: A fix to set post-processing flag

BZ: 161788

post-processing flag should be parsed from sequence
header in advanced profile.

Change-Id: I2222dede26bb5344c075afaba7a63c1711df1729
Signed-off-by: Tianmi Chen <tianmi.chen@intel.com>
diff --git a/mixvbp/vbp_manager/vbp_vc1_parser.c b/mixvbp/vbp_manager/vbp_vc1_parser.c
index 87dadd8..12e28e9 100755
--- a/mixvbp/vbp_manager/vbp_vc1_parser.c
+++ b/mixvbp/vbp_manager/vbp_vc1_parser.c
@@ -852,7 +852,7 @@
     pic_parms->mb_mode_table = picLayerHeader->MBMODETAB;
     pic_parms->range_reduction_frame = picLayerHeader->RANGEREDFRM;
     pic_parms->rounding_control = picLayerHeader->RNDCTRL;
-    pic_parms->post_processing = picLayerHeader->POSTPROC;
+    pic_parms->post_processing = seqLayerHeader->POSTPROCFLAG;
     /* fix this.  Add RESPIC to parser.  */
     pic_parms->picture_resolution_index = 0;
     pic_parms->luma_scale = picLayerHeader->LUMSCALE;