mac80211: Include crypto/aead.h

All users of AEAD should include crypto/aead.h instead of
include/linux/crypto.h.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: David S. Miller <davem@davemloft.net>
diff --git a/net/mac80211/aes_gmac.c b/net/mac80211/aes_gmac.c
index f1321b7..c34b06c 100644
--- a/net/mac80211/aes_gmac.c
+++ b/net/mac80211/aes_gmac.c
@@ -9,8 +9,8 @@
 
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/crypto.h>
 #include <linux/err.h>
+#include <crypto/aead.h>
 #include <crypto/aes.h>
 
 #include <net/mac80211.h>