crypto: algapi - Fix build problem with NET disabled

The report functions use NLA_PUT so we need to ensure that NET
is enabled.

Reported-by: Luis Henriques <henrix@camandro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index a816f24..a0f768c 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -383,6 +383,7 @@
 	return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
@@ -404,6 +405,12 @@
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
@@ -457,6 +464,7 @@
 	return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
@@ -478,6 +486,12 @@
 nla_put_failure:
 	return -EMSGSIZE;
 }
+#else
+static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
 
 static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));