Fix missing includes for tests compilation in recent GCC version

test/tap/tap/command_line.h

@@ -1,6 +1,7 @@
 #ifndef COMMAND_LINE_H
 #define COMMAND_LINE_H
 
+#include <cstdint>
 #include <string.h>
 #include <string>
 

test/tap/tests/setparser_test.cpp

@@ -34,6 +34,7 @@
  * For now we just declare it locally to avoid the linking error.
  */
 #include "openssl/ssl.h"
+#include "mysql.h"
 #include "proxysql_structs.h"
 #include "sqlite3db.h"
 #include "MySQL_LDAP_Authentication.hpp"

test/tap/tests/sqlite3-t.cpp

@@ -7,6 +7,7 @@
 #include <memory>
 #include <openssl/ssl.h>
 
+#include "mysql.h"
 #include "proxysql_structs.h"
 #include "sqlite3db.h"
 #include "MySQL_LDAP_Authentication.hpp"