[IPV6]: Unexport secure_ipv6_port_ephemeral

This patch removes the unused EXPORT_SYMBOL(secure_ipv6_port_ephemeral).

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 86be04b..58f3512 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1584,7 +1584,6 @@
 
 	return twothirdsMD4Transform(daddr, hash);
 }
-EXPORT_SYMBOL(secure_ipv6_port_ephemeral);
 #endif
 
 #if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)