[CRYPTO] skcipher: Fix section mismatches

The previous patch to move chainiv and eseqiv into blkcipher created
a section mismatch for the chainiv exit function which was also called
from __init.  This patch removes the __exit marking on it.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index a8f1264..ccc32ba 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -68,7 +68,7 @@
 int __init eseqiv_module_init(void);
 void __exit eseqiv_module_exit(void);
 int __init chainiv_module_init(void);
-void __exit chainiv_module_exit(void);
+void chainiv_module_exit(void);
 
 static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
 	struct crypto_ablkcipher *geniv)