message: player: fix typo with return type in nss
diff: @@ -58,7 +58,7 @@ int NWNX_Player_GetVisibilityOverride(object player, object target);
  // Plays the VFX at the target position in current area for the given player only
  -int NWNX_Player_ShowVisualEffect(object player, int effectId, vector position);
  +void NWNX_Player_ShowVisualEffect(object player, int effectId, vector position);
  const string NWNX_Player = "NWNX_Player";
  @@ -205,7 +205,7 @@ int NWNX_Player_GetVisibilityOverride(object player, object target)
  return NWNX_GetReturnValueInt(NWNX_Player, sFunc);
  }
  -int NWNX_Player_ShowVisualEffect(object player, int effectId, vector position)
  +void NWNX_Player_ShowVisualEffect(object player, int effectId, vector position)
  {
  string sFunc = "ShowVisualEffect";
  NWNX_PushArgumentFloat(NWNX_Player, sFunc, position.x);
  