[SCTP]: Move sysctl_sctp_[rw]mem definitions to protocol.c

The sctp_[rw]mem definitions should really be in protocol.c
since that is where they are initialized.  This also allows
one to build a kernel without sysctl support.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 54edcd9..3ec8b12b 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -84,9 +84,9 @@
 struct kmem_cache *sctp_chunk_cachep __read_mostly;
 struct kmem_cache *sctp_bucket_cachep __read_mostly;
 
-extern int sysctl_sctp_mem[3];
-extern int sysctl_sctp_rmem[3];
-extern int sysctl_sctp_wmem[3];
+int sysctl_sctp_mem[3];
+int sysctl_sctp_rmem[3];
+int sysctl_sctp_wmem[3];
 
 /* Return the address of the control sock. */
 struct sock *sctp_get_ctl_sock(void)
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index ba75ef4..39b10ee 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -52,14 +52,9 @@
 static long sack_timer_min = 1;
 static long sack_timer_max = 500;
 
-int sysctl_sctp_mem[3];
-int sysctl_sctp_rmem[3];
-int sysctl_sctp_wmem[3];
-
-/*
- * per assoc memory limitationf for sends
- */
-int sysctl_sctp_wmem[3];
+extern int sysctl_sctp_mem[3];
+extern int sysctl_sctp_rmem[3];
+extern int sysctl_sctp_wmem[3];
 
 static ctl_table sctp_table[] = {
 	{