fixed configurerequest according to the problem Jukka reported

event.c

@@ -165,6 +165,7 @@ buttonpress(XEvent *e) {
 
 static void
 configurerequest(XEvent *e) {
+	int x, y, w, h;
 	Client *c;
 	XConfigureRequestEvent *ev = &e->xconfigurerequest;
 	XWindowChanges wc;
@@ -174,20 +175,24 @@ configurerequest(XEvent *e) {
 		if(ev->value_mask & CWBorderWidth)
 			c->border = ev->border_width;
 		if(c->isfixed || c->isfloat || (arrange == dofloat)) {
-			if(ev->value_mask & CWX)
-				c->x = ev->x;
-			if(ev->value_mask & CWY)
-				c->y = ev->y;
-			if(ev->value_mask & CWWidth)
-				c->w = ev->width;
-			if(ev->value_mask & CWHeight)
-				c->h = ev->height;
+			x = (ev->value_mask & CWX) ? ev->x : c->x;
+			y = (ev->value_mask & CWY) ? ev->y : c->y;
+			w = (ev->value_mask & CWWidth) ? ev->width : c->w;
+			h = (ev->value_mask & CWHeight) ? ev->height : c->h;
 			if((ev->value_mask & (CWX | CWY))
 			&& !(ev->value_mask & (CWWidth | CWHeight)))
+			{
+				c->x = x;
+				c->y = y;
 				configure(c);
-			resize(c, c->x, c->y, c->w, c->h, False);
-			if(!isvisible(c))
-				ban(c);
+				if(isvisible(c))
+					XMoveWindow(dpy, c->win, c->x, c->y);
+			}
+			else {
+				resize(c, x, y, w, h, False);
+				if(!isvisible(c))
+					ban(c);
+			}
 		}
 		else
 			configure(c);