U455 - attacking disenchanter

When polymorphed, only attacks involving hands/feet/weapons should result
in damage to object.  Theoretically, hug and butt attacks should affect
objects too, but no forms with such attacks currently allow wearing armor.

doc/fixes34.2

@@ -55,6 +55,8 @@ prevent several QBUFSZ sized buffers from overflowing and triggering fatal
 make sure that leashed monsters are released prior to shopkeeper inheriting
 	dead character's inventory
 attaching long named candle to long named candelabrum caused buffer overflow
+when polymorhed, only hand/weapon attack on disenchanter should result in
+	damage to weapon, gloves, etc.
 
 
 Platform- and/or Interface-Specific Fixes

src/uhitm.c

@@ -2236,6 +2236,9 @@ uchar aatyp;
 		if (aatyp == AT_KICK) {
 		    obj = uarmf;
 		    if (!obj) break;
+		} else if (aatyp == AT_BITE || aatyp == AT_BUTT ||
+			   (aatyp >= AT_STNG && aatyp < AT_WEAP)) {
+		    break;		/* no object involved */
 		}
 		passive_obj(mon, obj, &(ptr->mattk[i]));
 	    }