cfgutils: fix kemi wrappers for locking functions

- sip_msg_t* argument was missing, reported by GH #1459

(cherry picked from commit c9cd7b9212291e7d0846103cd2d4c8613dd667a1)

src/modules/cfgutils/cfgutils.c

@@ -735,17 +735,17 @@ static int cfg_lock_helper(str *lkey, int mode)
 	return 1;
 }
 
-static int cfg_lock(str *lkey)
+static int cfg_lock(sip_msg_t *msg, str *lkey)
 {
 	return cfg_lock_helper(lkey, 0);
 }
 
-static int cfg_unlock(str *lkey)
+static int cfg_unlock(sip_msg_t *msg, str *lkey)
 {
 	return cfg_lock_helper(lkey, 1);
 }
 
-static int cfg_trylock(str *lkey)
+static int cfg_trylock(sip_msg_t *msg, str *lkey)
 {
 	return cfg_lock_helper(lkey, 2);
 }