message: make unused parameter warning message more concise
diff: @@ -48,8 +48,7 @@ namespace ospray {
  {
  for (auto p = params_begin(); p != params_end(); ++p) {
  if (!(*p)->query)
  - postStatusMsg() << "Encountered unconsumed parameter '" << (*p)->name
  - << "'";
  + postStatusMsg() << "Found unused parameter '" << (*p)->name << "'";
  }
  }
  