- Call mysql_thread_end() for every deleted MySQLConnection instance, should fix the ¨Error in my_thread_global_end(): X threads didn't exit¨ issue. (Thanks to Aokromes for testing)

- Add some debug info to help trace down the other causes of the shutdown crash.

--HG--
branch : trunk

src/server/shared/Database/MySQLConnection.cpp

@@ -40,6 +40,7 @@ m_Mysql(NULL)
 
 MySQLConnection::~MySQLConnection()
 {
+    MySQL::Thread_End();
     mysql_close(m_Mysql);
 }