xfrm: make xfrm_algo.c a module

By making this a standalone config option (auto-selected as needed),
selecting CRYPTO from here rather than from XFRM (which is boolean)
allows the core crypto code to become a module again even when XFRM=y.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 791ab2e77f3f..ecd6d8d8a66c 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -752,3 +752,5 @@ void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len)
 }
 EXPORT_SYMBOL_GPL(pskb_put);
 #endif
+
+MODULE_LICENSE("GPL");