crypto: vmx - Move extern declarations into header file

This patch moves the extern algorithm declarations into a header
file so that a number of compiler warnings are silenced.
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/vmx/aesp8-ppc.h

@@ -7,6 +7,12 @@ struct aes_key {
 	int rounds;
 };
 
+extern struct shash_alg p8_ghash_alg;
+extern struct crypto_alg p8_aes_alg;
+extern struct skcipher_alg p8_aes_cbc_alg;
+extern struct skcipher_alg p8_aes_ctr_alg;
+extern struct skcipher_alg p8_aes_xts_alg;
+
 int aes_p8_set_encrypt_key(const u8 *userKey, const int bits,
 			   struct aes_key *key);
 int aes_p8_set_decrypt_key(const u8 *userKey, const int bits,

drivers/crypto/vmx/vmx.c

@@ -17,11 +17,7 @@
 #include <crypto/internal/hash.h>
 #include <crypto/internal/skcipher.h>
 
-extern struct shash_alg p8_ghash_alg;
-extern struct crypto_alg p8_aes_alg;
-extern struct skcipher_alg p8_aes_cbc_alg;
-extern struct skcipher_alg p8_aes_ctr_alg;
-extern struct skcipher_alg p8_aes_xts_alg;
+#include "aesp8-ppc.h"
 
 static int __init p8_init(void)
 {