MT#55283 fix module refcount

Change-Id: Ife7dc65308b91b223bc67dd4f81f1e0fb079c5df

kernel-module/xt_RTPENGINE.c

@@ -1341,6 +1341,8 @@ static int proc_status_show(struct seq_file *m, void *v) {
 }
 
 static int proc_status_open(struct inode *i, struct file *f) {
+	if (!try_module_get(THIS_MODULE))
+		return -ENOENT;
 	return single_open(f, proc_status_show, i);
 }