[Freeciv-Dev] (PR#10389) fix dead explore crash

["Per I. Mathisen" <per@xxxxxxxxxxx>]

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=10389 >

Simple fix... committed ASAP.

  - Per

Index: ai/aiunit.c
===================================================================
RCS file: /home/freeciv/CVS/freeciv/ai/aiunit.c,v
retrieving revision 1.342
diff -u -r1.342 aiunit.c
--- ai/aiunit.c 20 Dec 2004 23:50:58 -0000      1.342
+++ ai/aiunit.c 3 Jan 2005 17:43:02 -0000
@@ -1844,7 +1844,7 @@
     /* Nothing else to do, so try exploring. */
     if (ai_manage_explorer(punit)) {
       UNIT_LOG(LOG_DEBUG, punit, "nothing else to do, so exploring");
-    } else {
+    } else if (find_unit_by_id(id)) {
       UNIT_LOG(LOG_DEBUG, punit, "nothing to do - no more exploring either");
     }
   } else {