Fix: first gamestart helidrop after starting exe had wrong dropoff gridno

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@6590 3b4a5df2-a311-0410-b5c6-a8a6f20db521

gamescreen.cpp

@@ -1210,6 +1210,12 @@ void InitHelicopterEntranceByMercs( void )
 		gfTacticalDoHeliRun = TRUE;
 		gfFirstHeliRun			= TRUE;
 
+#ifdef JA2UB
+		SetHelicopterDroppoint( gGameUBOptions.LOCATEGRIDNO );
+#else
+		SetHelicopterDroppoint( gGameExternalOptions.iInitialMercArrivalLocation );
+#endif
+
 		gTacticalStatus.fDidGameJustStart = FALSE;
 	}
 }