Zapping wand of opening at yourself, unlock carried boxes

doc/fixes36.1

@@ -95,6 +95,7 @@ redraw map when hilite_pile is toggled to display the highlighting
 make commands that accept a count prefix for item selection
 	show "Count:" like command repeating does
 allow picking a used inventory letter from menu when #adjusting
+zapping wand of opening at yourself, unlock carried boxes
 
 
 Platform- and/or Interface-Specific Fixes

src/zap.c

@@ -2368,7 +2368,13 @@ boolean ordinary;
         }
         if (u.utrap) { /* escape web or bear trap */
             (void) openholdingtrap(&youmonst, &learn_it);
-        } else { /* trigger previously escaped trapdoor */
+        } else {
+            struct obj *otmp;
+            /* unlock carried boxes */
+            for (otmp = invent; otmp; otmp = otmp->nobj)
+                if (Is_box(otmp))
+                    (void) boxlock(otmp, obj);
+            /* trigger previously escaped trapdoor */
             (void) openfallingtrap(&youmonst, TRUE, &learn_it);
         }
         break;