message: fix AI_OutputSvmOverlay
diff: @@ -221,7 +221,7 @@ bool Npc::performOutput(const Npc::AiAction &act) {
  return true;
  if(act.act==AI_OutputSvm && outputPipe->outputSvm(*this,act.s0,hnpc.voice))
  return true;
  - if(act.act==AI_OutputSvmOverlay && outputPipe->outputSvm(*this,act.s0,hnpc.voice))
  + if(act.act==AI_OutputSvmOverlay && outputPipe->outputOv(*this,act.s0,hnpc.voice))
  return true;
  return false;
  }
  