monitor: Add chardev-remove command completion.

Signed-off-by: Hani Benhabiles <hani@linux.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/hmp.h b/hmp.h
index 12e21e7..affc2b6 100644
--- a/hmp.h
+++ b/hmp.h
@@ -98,5 +98,6 @@
 void device_add_completion(ReadLineState *rs, int nb_args, const char *str);
 void device_del_completion(ReadLineState *rs, int nb_args, const char *str);
 void sendkey_completion(ReadLineState *rs, int nb_args, const char *str);
+void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str);
 
 #endif