[NET]: Fix xfrm_algo.c module exports.

net/xfrm/xfrm_algo.c

@@ -619,6 +619,7 @@ skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
 		BUG();
 	return elt;
 }
+EXPORT_SYMBOL_GPL(skb_to_sgvec);
 
 /* Check that skb data bits are writable. If they are not, copy data
  * to newly created private area. If "tailbits" is given, make sure that
@@ -719,6 +720,7 @@ int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer)
 
 	return elt;
 }
+EXPORT_SYMBOL_GPL(skb_cow_data);
 
 void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len)
 {
@@ -728,8 +730,5 @@ void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len)
 	}
 	return skb_put(tail, len);
 }
-#endif
-
 EXPORT_SYMBOL_GPL(pskb_put);
-EXPORT_SYMBOL_GPL(skb_cow_data);
-EXPORT_SYMBOL_GPL(skb_to_sgvec);
+#endif