crypto: api - Extend algorithm name limit to 128 bytes

With the new explicit IV generators, we may now exceed the 64-byte
length limit on the algorithm name, e.g., with

	echainiv(authencesn(hmac(sha256-generic),cbc(des3_ede-generic)))

This patch extends the length limit to 128 bytes.
Reported-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Tested-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>

include/linux/crypto.h

@@ -123,7 +123,7 @@
 /*
  * Miscellaneous stuff.
  */
-#define CRYPTO_MAX_ALG_NAME		64
+#define CRYPTO_MAX_ALG_NAME		128
 
 /*
  * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual