Check pln_airbase_ok() in msl_sel()

The lack of base checking there permitted ship and land unit missile
interdiction and ballistic missile interception without a proper base.

diff --git a/src/lib/subs/mslsub.c b/src/lib/subs/mslsub.c
index 970b701c87a9d13138c41199bdb74200aae11608..f5d42a2210319052dfb41c4d63bce94b3d3d3c3a 100644 (file)
--- a/src/lib/subs/mslsub.c
+++ b/src/lib/subs/mslsub.c
@@ -200,6 +200,8 @@ msl_sel(struct emp_qelem *list, coord x, coord y, natid victim,
            continue;
        if (plane.pln_effic < 100)
            continue;
+       if (!pln_airbase_ok(&plane, 1, 0))
+           continue;
        /* got a valid interceptor */
        irv = malloc(sizeof(*irv));
        irv->bombs = 0;