crypto: api - Make crypto_alg_lookup static

The function crypto_alg_lookup is only usd within the crypto API
and should be not be exported to the modules.  This patch marks
it as a static function.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/api.c

@@ -193,7 +193,8 @@ static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg)
 	return alg;
 }
 
-struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, u32 mask)
+static struct crypto_alg *crypto_alg_lookup(const char *name, u32 type,
+					    u32 mask)
 {
 	struct crypto_alg *alg;
 
@@ -203,7 +204,6 @@ struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, u32 mask)
 
 	return alg;
 }
-EXPORT_SYMBOL_GPL(crypto_alg_lookup);
 
 static struct crypto_alg *crypto_larval_lookup(const char *name, u32 type,
 					       u32 mask)

crypto/internal.h

@@ -67,7 +67,6 @@ static inline unsigned int crypto_compress_ctxsize(struct crypto_alg *alg)
 }
 
 struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
-struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, u32 mask);
 struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
 
 int crypto_init_cipher_ops(struct crypto_tfm *tfm);