U751 coordinate typos

apply.c:   if (cansee(rx,ry)) newsym(mtmp->my,mtmp->my);
mon.c:         (distu(mtmp->my, mtmp->my) <= 5) ?
wizard.c:        (distu(mtmp->my, mtmp->my) <= 5) ?

doc/fixes34.3

@@ -94,6 +94,7 @@ resuming an interrupted 'A' command could cause crash if pending worn item(s)
 resuming interrupted 'A' sometimes ended with "You finished disrobing" twice
 when you're asleep you shouldn't "notice" monsters that have become undetected
 must be able to reach floor in order to use stethoscope on corpse or statue
+fix a few coordinate (y,y) -> (x,y) typos in apply.c, mon.c, and wizard.c
 
 
 Platform- and/or Interface-Specific Fixes

src/apply.c

@@ -350,7 +350,7 @@ use_stethoscope(obj)
 		mstatusline(mtmp);
 		if (mtmp->mundetected) {
 			mtmp->mundetected = 0;
-			if (cansee(rx,ry)) newsym(mtmp->my,mtmp->my);
+			if (cansee(rx,ry)) newsym(mtmp->mx,mtmp->my);
 		}
 		if (!canspotmon(mtmp))
 			map_invisible(rx,ry);

src/mon.c

@@ -871,7 +871,7 @@ mpickstuff(mtmp, str)
 #endif
 		if (cansee(mtmp->mx,mtmp->my) && flags.verbose)
 			pline("%s picks up %s.", Monnam(mtmp),
-			      (distu(mtmp->my, mtmp->my) <= 5) ?
+			      (distu(mtmp->mx, mtmp->my) <= 5) ?
 				doname(otmp) : distant_name(otmp, doname));
 		obj_extract_self(otmp);
 		/* unblock point after extract, before pickup */

src/wizard.c

@@ -345,7 +345,7 @@ tactics(mtmp)
 			    if (cansee(mtmp->mx, mtmp->my))
 				pline("%s picks up %s.",
 				    Monnam(mtmp),
-				    (distu(mtmp->my, mtmp->my) <= 5) ?
+				    (distu(mtmp->mx, mtmp->my) <= 5) ?
 				     doname(otmp) : distant_name(otmp, doname));
 			    obj_extract_self(otmp);
 			    (void) mpickobj(mtmp, otmp);