Bug#31820147: FIX MSVC C4275 WARNINGS

Suppress the C4275 warnings at the specific points in the source where
they are currently generated when building on Windows.

RB: 25043

Author: Daniel Blanchard

router/src/harness/include/keyring/master_key_file.h

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+  Copyright (c) 2019, 2020 Oracle and/or its affiliates.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
@@ -31,13 +31,17 @@
 #include <vector>
 
 #include "harness_export.h"
+#include "my_compiler.h"
 
 namespace mysql_harness {
 
+MY_COMPILER_DIAGNOSTIC_PUSH()
+MY_COMPILER_MSVC_DIAGNOSTIC_IGNORE(4275)
 class HARNESS_EXPORT invalid_master_keyfile : public std::runtime_error {
  public:
   invalid_master_keyfile(const std::string &w) : std::runtime_error(w) {}
 };
+MY_COMPILER_DIAGNOSTIC_POP()
 
 class HARNESS_EXPORT MasterKeyFile {
  public:

router/src/http/src/tls_error.h

@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+  Copyright (c) 2018, 2020 Oracle and/or its affiliates.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
@@ -28,11 +28,14 @@
 #include <stdexcept>
 #include <string>
 
+#include "my_compiler.h"
 #include "mysqlrouter/http_common_export.h"
-
+MY_COMPILER_DIAGNOSTIC_PUSH()
+MY_COMPILER_MSVC_DIAGNOSTIC_IGNORE(4275)
 class HTTP_COMMON_EXPORT TlsError : public std::runtime_error {
  public:
   TlsError(const std::string &what);
 };
+MY_COMPILER_DIAGNOSTIC_POP()
 
 #endif

router/src/mysql_protocol/include/mysqlrouter/mysql_protocol.h

@@ -33,6 +33,7 @@
 #include <typeinfo>
 #include <vector>
 
+#include "my_compiler.h"
 #include "mysql_protocol/base_packet.h"
 #include "mysql_protocol/constants.h"
 #include "mysql_protocol/error_packet.h"
@@ -45,11 +46,14 @@ namespace mysql_protocol {
  * @brief Exception raised for any errors with MySQL packets
  *
  */
+MY_COMPILER_DIAGNOSTIC_PUSH()
+MY_COMPILER_MSVC_DIAGNOSTIC_IGNORE(4275)
 class MYSQL_PROTOCOL_EXPORT packet_error : public std::runtime_error {
  public:
   explicit packet_error(const std::string &what_arg)
       : std::runtime_error(what_arg) {}
 };
+MY_COMPILER_DIAGNOSTIC_POP()
 
 }  // namespace mysql_protocol