mnt: Mark rst_collect_local_mntns as void

Acked-by: Andrew Vagin <avagin@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/mount.h

@@ -32,7 +32,7 @@ extern bool phys_stat_dev_match(struct mount_info *tree, dev_t st_dev,
 extern int restore_task_mnt_ns(struct ns_id *nsid, pid_t pid);
 extern int fini_mnt_ns(void);
 
-int rst_collect_local_mntns();
+int rst_collect_local_mntns(void);
 char *rst_get_mnt_root(int mnt_id);
 
 #endif /* __CR_MOUNT_H__ */

mount.c

@@ -1420,7 +1420,7 @@ static int create_mnt_roots()
 	return 0;
 }
 
-int rst_collect_local_mntns()
+int rst_collect_local_mntns(void)
 {
 	struct ns_id *nsid;