Merge branch 'fix_parcat_for_scaling_list' into 'master'

Fix for Ticket #350: Parcat crash when user-defined scaling list is used

See merge request jvet/VVCSoftware_VTM!630

source/App/Parcat/parcat.cpp

@@ -601,6 +601,8 @@ int main(int argc, char * argv[])
   int poc_base = 0;
   int last_idr_poc = 0;
 
+  initROM();
+
   for(int i = 1; i < argc - 1; ++i)
   {
     std::vector<uint8_t> v = process_segment(argv[i], i, &poc_base, &last_idr_poc);