drain life vs drain resisting objects (trunk only)

From the newsgroup:  casting spell of drain life at Stormbringer
(or Excalibur or Staff of Aesculapius) would reduce its enchantment just
like any other weapon.  Drain resistance should protect against that even
when not actively wielded.

doc/fixes35.0

@@ -1,4 +1,4 @@
-$RCSfile$ $Revision$ $Date$
+$rcsfile: fixes35.0,v $ $Revision$ $Date$
 
 General Fixes and Modified Features
 -----------------------------------
@@ -398,8 +398,9 @@ wand/scroll/spell of light now hurts gremlins (lamp/candle light doesn't)
 ditto for hero in gremlin form (camera too)
 autosearch finds and transforms secret doors and corridors even while blind,
 	but it wasn't updating the map to show them unless the hero could see
-panic save made during magic mapping or <foo> detection performed while
+hangup save made during magic mapping or <foo> detection performed while
 	underwater could put hero on top of the water after restore
+items conferring life drain resistance were affected by drain life spell
 
 
 Platform- and/or Interface-Specific Fixes

src/zap.c

@@ -1007,7 +1007,8 @@ register struct obj *obj;
 			obj->oclass != ARMOR_CLASS && !is_weptool(obj)) ||
 			obj->spe <= 0)
 	    return (FALSE);
-	if (obj_resists(obj, 10, 90))
+	if (defends(AD_DRLI, obj) || defends_when_carried(AD_DRLI, obj) ||
+	        obj_resists(obj, 10, 90))
 	    return (FALSE);
 
 	/* Charge for the cost of the object */