qemu-char: add_handlers: Don't re-send the be_open event on unregister

Resending the be_open event only is useful when a frontend is registering, not
when it is unregistering.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Message-id: 1364292483-16564-9-git-send-email-hdegoede@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

qemu-char.c

@@ -241,7 +241,7 @@ void qemu_chr_add_handlers(CharDriverState *s,
 
     /* We're connecting to an already opened device, so let's make sure we
        also get the open event */
-    if (s->be_open) {
+    if (fe_open && s->be_open) {
         qemu_chr_be_generic_open(s);
     }
 }