Some crashes and other minor stuff.

Just things that Eressea has changed in the past 2 months

res/de/strings.xml

@@ -7290,6 +7290,7 @@
 
   <string name="nr_insectfall">
     <text locale="de">Es ist Spätherbst, und diese Woche ist die letzte vor dem Winter, in der Insekten rekrutieren können.</text>
+    <text locale="en">It is the last week before winter in which insects can still recruit.</text>
   </string>
 
   <string name="nr_owner">

src/items/weapons.c

@@ -72,9 +72,10 @@ attack_firesword(const troop * at, const struct weapon_type *wtype,
 
   do {
     dt = select_enemy(fi, 0, 1, SELECT_ADVANCE | SELECT_DISTANCE);
-    assert(dt.fighter);
     --force;
-    killed += terminate(dt, *at, AT_SPELL, damage, 1);
+    if (dt.fighter) {
+      killed += terminate(dt, *at, AT_SPELL, damage, 1);
+    }
   } while (force && killed < enemies);
   if (casualties)
     *casualties = killed;

src/kernel/reports.c

@@ -1788,7 +1788,7 @@ int reports(void)
 
 static variant var_copy_string(variant x)
 {
-  x.v = strdup((const char *)x.v);
+  x.v = x.v?strdup((const char *)x.v):0;
   return x;
 }
 

src/util/translation.c

@@ -283,7 +283,7 @@ static const char *parse_string(opstack ** stack, const char *in,
           if (ic == NULL)
             return NULL;
           c = (char *)opop_v(stack);
-          bytes = (int)strlcpy(oc, c, size);
+          bytes = (int)c?strlcpy(oc, c, size):0;
           if (bytes < (int)size)
             oc += bytes;
           else