wireguard: do not include crypto/algapi.h

The header file crypto/algapi.h is for internal use only.  Use the
header file crypto/utils.h instead.
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/net/wireguard/cookie.c

@@ -12,9 +12,9 @@
 
 #include <crypto/blake2s.h>
 #include <crypto/chacha20poly1305.h>
+#include <crypto/utils.h>
 
 #include <net/ipv6.h>
-#include <crypto/algapi.h>
 
 void wg_cookie_checker_init(struct cookie_checker *checker,
 			    struct wg_device *wg)

drivers/net/wireguard/netlink.c

@@ -15,7 +15,7 @@
 #include <linux/if.h>
 #include <net/genetlink.h>
 #include <net/sock.h>
-#include <crypto/algapi.h>
+#include <crypto/utils.h>
 
 static struct genl_family genl_family;
 

drivers/net/wireguard/noise.c

@@ -15,7 +15,7 @@
 #include <linux/bitmap.h>
 #include <linux/scatterlist.h>
 #include <linux/highmem.h>
-#include <crypto/algapi.h>
+#include <crypto/utils.h>
 
 /* This implements Noise_IKpsk2:
  *