Bayou: Clean up Bayou's window after returning from a payload.

Signed-off-by: Ulf Jordan <jordan@chalmers.se>

Index: bayou/menu.c
===================================================================
--- bayou/menu.c	(revision 3950)
+++ bayou/menu.c	(arbetskopia)
@@ -121,6 +121,7 @@
 			selected = (selected - 1) % m_entries;
 		else if (key == KEY_ENTER) {
 			run_payload(mpayloads[selected]);
+			clear();
 			refresh();
 		} else
 			continue;