[gnugo-devel] Small bugfix

[Gunnar Farneback]

This patch fixes a bug that could cause crashes, but probably very rarely.

/Gunnar

Index: engine/combination.c
===================================================================
RCS file: /cvsroot/gnugo/gnugo/engine/combination.c,v
retrieving revision 1.28
diff -u -r1.28 combination.c
--- engine/combination.c        3 Jun 2002 15:00:59 -0000       1.28
+++ engine/combination.c        2 Jul 2002 20:32:33 -0000
@@ -74,7 +74,7 @@
     if (save_verbose)
       gprintf("Combination attack for %C with size %d found at %1m, defense at 
%1m\n",
              other, aa_val, attack_point, defense_point);
-    if (safe_move(defense_point, color))
+    if (defense_point != NO_MOVE && safe_move(defense_point, color))
       add_your_atari_atari_move(defense_point, aa_val);
     /* Playing at the attack point is probably also a defense. */
     if (safe_move(attack_point, color))