mariabackup: remove MySQL wording

extra/mariabackup/backup_mysql.cc

@@ -126,7 +126,7 @@ xb_mysql_connect()
 	mysql_options(connection, MYSQL_OPT_PROTOCOL, &opt_protocol);
 	mysql_options(connection,MYSQL_SET_CHARSET_NAME, "utf8");
 
-	msg("Connecting to MySQL server host: %s, user: %s, password: %s, "
+	msg("Connecting to server host: %s, user: %s, password: %s, "
 	       "port: %s, socket: %s", opt_host ? opt_host : "localhost",
 	       opt_user ? opt_user : "not set",
 	       opt_password ? "set" : "not set",
@@ -153,7 +153,7 @@ xb_mysql_connect()
 				opt_password,
 				"" /*database*/, opt_port,
 				opt_socket, 0)) {
-		msg("Failed to connect to MySQL server: %s.", mysql_error(connection));
+		msg("Failed to connect to server: %s.", mysql_error(connection));
 		mysql_close(connection);
 		return(NULL);
 	}
@@ -342,7 +342,7 @@ check_server_version(unsigned long version_number,
 }
 
 /*********************************************************************//**
-Receive options important for XtraBackup from MySQL server.
+Receive options important for XtraBackup from server.
 @return	true on success. */
 bool get_mysql_vars(MYSQL *connection)
 {
@@ -1837,8 +1837,8 @@ static std::string make_local_paths(const char *data_file_path)
 bool write_backup_config_file()
 {
 	int rc= backup_file_printf("backup-my.cnf",
-		"# This MySQL options file was generated by innobackupex.\n\n"
-		"# The MySQL server\n"
+		"# This options file was generated by innobackupex.\n\n"
+		"# The server\n"
 		"[mysqld]\n"
 		"innodb_checksum_algorithm=%s\n"
 		"innodb_data_file_path=%s\n"
@@ -1923,7 +1923,7 @@ flush_changed_page_bitmaps()
 
 
 /*********************************************************************//**
-Deallocate memory, disconnect from MySQL server, etc.
+Deallocate memory, disconnect from server, etc.
 @return	true on success. */
 void
 backup_cleanup()