message: Don't force register mapping component to 0 for built-ins. Closes
diff: @@ -1256,7 +1256,6 @@ SPDBChunk::SPDBChunk(Reflection *reflection, void *chunk)
  if(reflection->OutputSig[i].systemValue == mapping.var.builtin)
  {
  regindex = (uint32_t)i;
  - regfirstcomp = 0;
  found = true;
  break;
  }
  @@ -1269,7 +1268,6 @@ SPDBChunk::SPDBChunk(Reflection *reflection, void *chunk)
  if(reflection->InputSig[i].systemValue == mapping.var.builtin)
  {
  regindex = (uint32_t)i;
  - regfirstcomp = 0;
  found = true;
  break;
  }
  