crypto: don't export static symbol

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
type T;
identifier f;
@@

static T f (...) { ... }

@@
identifier r.f;
declarer name EXPORT_SYMBOL_GPL;
@@

-EXPORT_SYMBOL_GPL(f);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/x86/crypto/glue_helper.c

@@ -232,7 +232,6 @@ static void glue_ctr_crypt_final_128bit(const common_glue_ctr_func_t fn_ctr,
 
 	le128_to_be128((be128 *)walk->iv, &ctrblk);
 }
-EXPORT_SYMBOL_GPL(glue_ctr_crypt_final_128bit);
 
 static unsigned int __glue_ctr_crypt_128bit(const struct common_glue_ctx *gctx,
 					    struct blkcipher_desc *desc,