TT#104400 Update xt_RTPENGINE.c

Fix syntax error introduced in 9a2dc5

Closes #1130

Change-Id: I67a959f1588a5aa736697b5a2651cd524dc5e1cf
(cherry picked from commit 92cc5730b6)

kernel-module/xt_RTPENGINE.c

@@ -3394,7 +3394,7 @@ static int send_proxy_packet6(struct sk_buff *skb, struct re_address *src, struc
 
 	skb->protocol = htons(ETH_P_IPV6);
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,9) || \
-		(LINUX_VERSION_CODE >= KERNEL_VERSION(5,4,78) && LINUX_VERSION_CODE < KERNEL_VERSION(5,5,0)) \
+		(LINUX_VERSION_CODE >= KERNEL_VERSION(5,4,78) && LINUX_VERSION_CODE < KERNEL_VERSION(5,5,0)) || \
 		(LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,158) && LINUX_VERSION_CODE < KERNEL_VERSION(4,20,0))
 	if (ip6_route_me_harder(par->state->net, par->state->sk, skb))
 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)