Fix some more untyped APIs

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>

src/tools/bookmark_ignore.c

@@ -73,7 +73,7 @@ bookmark_ignore_on_connect(const char* const barejid)
 }
 
 void
-bookmark_ignore_on_disconnect()
+bookmark_ignore_on_disconnect(void)
 {
     free_keyfile(&bookmark_ignore_prof_keyfile);
     bookmark_ignore_keyfile = NULL;

src/tools/bookmark_ignore.h

@@ -37,7 +37,7 @@
 #define BOOKMARK_IGNORE_H
 
 void bookmark_ignore_on_connect(const char* const barejid);
-void bookmark_ignore_on_disconnect();
+void bookmark_ignore_on_disconnect(void);
 gboolean bookmark_ignored(Bookmark* bookmark);
 gchar** bookmark_ignore_list(gsize* len);
 void bookmark_ignore_add(const char* const barejid);