Bugfix: Celia Infostring displaying after quest (#7009)

Source/controls/plrctrls.cpp

@@ -221,6 +221,8 @@ void CheckTownersNearby()
 		int distance = GetDistance(Towners[i].position, 2);
 		if (distance == 0)
 			continue;
+		if (!IsTownerPresent(Towners[i]._ttype))
+			continue;
 		pcursmonst = i;
 	}
 }

Source/towners.h

@@ -72,6 +72,7 @@ struct Towner {
 };
 
 extern Towner Towners[NUM_TOWNERS];
+bool IsTownerPresent(_talker_id npc);
 /**
  * @brief Maps from a _talker_id value to a pointer to the Towner object, if they have been initialised
  * @param type enum constant identifying the towner