(svn r23418) -Fix [FS#4866] (r22958): saves made with the Catalan town name generator would trigger a "savegame corrupt" exception

src/saveload/town_sl.cpp

@@ -272,7 +272,7 @@ static void Load_TOWN()
 			SlObject(&t->received[i], _town_received_desc);
 		}
 
-		if (t->townnamegrfid == 0 && !IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST)) {
+		if (t->townnamegrfid == 0 && !IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
 			SlErrorCorrupt("Invalid town name generator");
 		}