selinux: supply missing field initializers

Please clang by supplying the missing field initializers in the
secclass_map variable and sel_fill_super() function.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
[PM: tweak subj and commit description]
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/include/classmap.h

@@ -179,7 +179,7 @@ const struct security_class_mapping secclass_map[] = {
 	{ "anon_inode", { COMMON_FILE_PERMS, NULL } },
 	{ "io_uring", { "override_creds", "sqpoll", "cmd", NULL } },
 	{ "user_namespace", { "create", NULL } },
-	{ NULL }
+	/* last one */ { NULL, {} }
 };
 
 #ifdef __KERNEL__ /* avoid this check when building host programs */