[SCTP]: make 2 functions static

This patch makes the following needlessly global functions static:
- ipv6.c: sctp_inet6addr_event()
- protocol.c: sctp_inetaddr_event()

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index d8d36de..ef36be07 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -79,8 +79,8 @@
 #include <asm/uaccess.h>
 
 /* Event handler for inet6 address addition/deletion events.  */
-int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
-                        void *ptr)
+static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
+				void *ptr)
 {
 	struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
 	struct sctp_sockaddr_entry *addr;