fix #H4388 - wishing conduct inconsistency

Make wishing for an artifact and not getting it because it already
exists break never-wished-for-artifact conduct.  The wish was made
even if the result wasn't what the player wanted.

src/objnam.c

@@ -3570,7 +3570,8 @@ typfnd:
         }
 
         otmp = oname(otmp, name);
-        if (otmp->oartifact) {
+        /* name==aname => wished for artifact (otmp->oartifact => got it) */
+        if (otmp->oartifact || name == aname) {
             otmp->quan = 1L;
             u.uconduct.wisharti++; /* KMH, conduct */
         }