Fix DBI after AMTL changes.

extensions/mysql/mysql/MyDatabase.cpp

@@ -101,6 +101,9 @@ MyDatabase::MyDatabase(MYSQL *mysql, const DatabaseInfo *info, bool persistent)
 	m_Info.driver = NULL;
 	m_Info.maxTimeout = info->maxTimeout;
 	m_Info.port = info->port;
+
+	// DBI, for historical reasons, guarantees an initial refcount of 1.
+	AddRef();
 }
 
 MyDatabase::~MyDatabase()

extensions/sqlite/driver/SqDatabase.cpp

@@ -36,6 +36,8 @@
 SqDatabase::SqDatabase(sqlite3 *sq3, bool persistent) : 
 	m_sq3(sq3), m_Persistent(persistent)
 {
+	// DBI, for historical reasons, guarantees an initial refcount of 1.
+	AddRef();
 }
 
 SqDatabase::~SqDatabase()