[NETFILTER]: Fix undefined references to get_h225_addr

get_h225_addr is exported, but declared static, which fails when
linking statically.
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/netfilter/ip_conntrack_helper_h323.c

@@ -639,8 +639,8 @@ void ip_conntrack_h245_expect(struct ip_conntrack *new,
 }
 
 /****************************************************************************/
-static int get_h225_addr(unsigned char *data, TransportAddress * addr,
-			 u_int32_t * ip, u_int16_t * port)
+int get_h225_addr(unsigned char *data, TransportAddress * addr,
+		  u_int32_t * ip, u_int16_t * port)
 {
 	unsigned char *p;