Add semicolon at the end of the function prototypes

Reviewed-by: NMatt Caswell <matt@openssl.org>
Reviewed-by: NPaul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/7041)

doc/man3/EVP_sm3.pod

@@ -9,7 +9,7 @@ EVP_sm3
 
  #include <openssl/evp.h>
 
- const EVP_MD *EVP_sm3(void)
+ const EVP_MD *EVP_sm3(void);
 
 =head1 DESCRIPTION
 
@@ -42,7 +42,7 @@ L<EVP_DigestInit(3)>
 
 =head1 COPYRIGHT
 
-Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
 Copyright 2017 Ribose Inc. All Rights Reserved.
 
 Licensed under the OpenSSL license (the "License").  You may not use

doc/man3/EVP_sm4_cbc.pod

@@ -13,11 +13,11 @@ EVP_sm4_ctr
 
  #include <openssl/evp.h>
 
- const EVP_CIPHER *EVP_sm4_cbc(void)
- const EVP_CIPHER *EVP_sm4_ecb(void)
- const EVP_CIPHER *EVP_sm4_cfb(void)
- const EVP_CIPHER *EVP_sm4_ofb(void)
- const EVP_CIPHER *EVP_sm4_ctr(void)
+ const EVP_CIPHER *EVP_sm4_cbc(void);
+ const EVP_CIPHER *EVP_sm4_ecb(void);
+ const EVP_CIPHER *EVP_sm4_cfb(void);
+ const EVP_CIPHER *EVP_sm4_ofb(void);
+ const EVP_CIPHER *EVP_sm4_ctr(void);
 
 =head1 DESCRIPTION
 
@@ -52,7 +52,7 @@ L<EVP_CIPHER_meth_new(3)>
 
 =head1 COPYRIGHT
 
-Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
 Copyright 2017 Ribose Inc. All Rights Reserved.
 
 Licensed under the OpenSSL license (the "License").  You may not use