From 26b131b18d1c4cba3974a2b5a8d0d3fe0a696972 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno@eressea.de>
Date: Sun, 8 Nov 2009 03:34:40 +0000
Subject: [PATCH] rosthauch mit force==0 crashes

---
 src/common/spells/spells.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/common/spells/spells.c b/src/common/spells/spells.c
index 14404ad5d..e71f75b25 100644
--- a/src/common/spells/spells.c
+++ b/src/common/spells/spells.c
@@ -1288,8 +1288,9 @@ sp_rosthauch(castorder *co)
 #endif
   }
 
-  force = rng_int()%((int)(force * 10)) + force;
-
+  if (force>0) {
+    force = rng_int()%((int)(force * 10)) + force;
+  }
   /* fuer jede Einheit */
   for (n = 0; n < pa->length; n++) {
     unit *u = pa->param[n]->data.u;