(svn r19322) -Codechange: change the id of the oilrig airport from 15 to 9

src/airport.h

@@ -36,7 +36,7 @@ enum {
 	AT_INTERCON      =   7,
 	AT_HELISTATION   =   8,
 	NUM_AIRPORTS     =   9,
-	AT_OILRIG        =  15,
+	AT_OILRIG        =   9,
 	AT_DUMMY         = 255
 };
 

src/saveload/afterload.cpp

@@ -2067,6 +2067,7 @@ bool AfterLoadGame()
 		Station *st;
 		FOR_ALL_STATIONS(st) {
 			if (st->airport.tile != INVALID_TILE) {
+				if (st->airport_type == 15) st->airport_type = AT_OILRIG;
 				st->airport.w = st->GetAirportSpec()->size_x;
 				st->airport.h = st->GetAirportSpec()->size_y;
 			}