Make it compatible with MySQL 8 (#6)

`my_bool` does not exist anymore, use it only for MySQL versions < 8

Author: dberzano

src/InfoLoggerDispatchSQL.cxx

@@ -1,10 +1,14 @@
 #include "InfoLoggerDispatch.h"
 #include <mysql.h>
+#include <mysql_version.h>
 #include "utility.h"
 #include "infoLoggerMessage.h"
 #include <unistd.h>
 #include <string.h>
 
+#if LIBMYSQL_VERSION_ID >= 80000
+typedef bool my_bool;
+#endif
 
 // some constants
 #define SQL_RETRY_CONNECT 1     // base retry time, will be sleeping up to 10x this value

src/infoLoggerServer_insert_sql.c

@@ -21,13 +21,18 @@
 #include <unistd.h>
 
 #include <mysql.h>
+#include <mysql_version.h>
 #include <sys/time.h>
 
 #define SQL_RETRY_CONNECT 10     /* base retry time, will be sleeping up to 10x this value */
 
 #include "infoLoggerMessage.h"
 #include "infoLoggerConfig.h"
 
+#if LIBMYSQL_VERSION_ID >= 80000
+typedef bool my_bool;
+#endif
+
 extern void infoLog_msg_destroy(infoLog_msg_t *m);
 extern t_infoLoggerConfig cfg;              /* infoLoggerServer configuration */