evilwm may sometimes lose focus after closing a window.  This means that
evilwm stops responding to keyboard shortcuts, and if no other window is open
which the mouse can be moved over to regain focus evilwm becomes unusable and
has to be restarted.

Patch derived from discussion at
https://wiki.archlinux.org/index.php/Evilwm#Lost_focus_bug_fix

--- evilwm-1.1.1/client.c
+++ evilwm-1.1.1/client.c
@@ -172,6 +172,7 @@
 	 *  _NET_WM_STATE) */
 	if (c->remove) {
 		LOG_DEBUG("setting WithdrawnState\n");
+		XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
 		set_wm_state(c, WithdrawnState);
 		ewmh_withdraw_client(c);
 	} else {
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