Fix for Ticket #266 Motion Lut is not reset at the beginning of tile

  - Apply changes provided in bug ticket attachment.

source/Lib/DecoderLib/DecSlice.cpp

@@ -184,7 +184,7 @@ void DecSlice::decompressSlice( Slice* slice, InputBitstream* bitstream, int deb
       resetGbiCodingOrder(true, cs);
     }
 
-    if ((cs.slice->getSliceType() != I_SLICE || cs.sps->getIBCFlag()) && ctuXPosInCtus == 0)
+    if ((cs.slice->getSliceType() != I_SLICE || cs.sps->getIBCFlag()) && ctuXPosInCtus == tileXPosInCtus)
     {
       cs.motionLut.lut.resize(0);
       cs.motionLut.lutIbc.resize(0);

source/Lib/EncoderLib/EncSlice.cpp

@@ -1532,7 +1532,7 @@ void EncSlice::encodeCtus( Picture* pcPic, const bool bCompressEntireSlice, cons
     DTRACE_UPDATE( g_trace_ctx, std::make_pair( "ctu", ctuRsAddr ) );
 
     if( pCfg->getSwitchPOC() != pcPic->poc || -1 == pCfg->getDebugCTU() )
-    if ((cs.slice->getSliceType() != I_SLICE || cs.sps->getIBCFlag()) && ctuXPosInCtus == 0)
+    if ((cs.slice->getSliceType() != I_SLICE || cs.sps->getIBCFlag()) && ctuXPosInCtus == tileXPosInCtus)
     {
       cs.motionLut.lut.resize(0);
       cs.motionLut.lutIbc.resize(0);