Fixing some unitialized variables

lib/MySQL_Protocol.cpp

@@ -1465,7 +1465,7 @@ bool MySQL_Protocol::process_pkt_COM_CHANGE_USER(unsigned char *pkt, unsigned in
 bool MySQL_Protocol::process_pkt_handshake_response(unsigned char *pkt, unsigned int len) {
 	bool ret=false;
 	uint8_t charset;
-	uint32_t  capabilities;
+	uint32_t  capabilities = 0;
 	uint32_t  max_pkt;
 	uint32_t  pass_len;
 	unsigned char *user=NULL;

lib/mysql_connection.cpp

@@ -233,6 +233,15 @@ MySQL_Connection::MySQL_Connection() {
 	options.sql_mode_int=0;	// #509
 	options.time_zone=NULL;	// #819
 	options.time_zone_int=0;	// #819
+	options.isolation_level_int=0;
+	options.character_set_results_int=0;
+	options.session_track_gtids_int=0;
+	options.sql_auto_is_null_int=0;
+	options.sql_select_limit_int=0;
+	options.sql_safe_updates_int=0;
+	options.collation_connection_int=0;
+	options.net_write_timeout_int=0;
+	options.max_join_size_int=0;
 	compression_pkt_id=0;
 	mysql_result=NULL;
 	query.ptr=NULL;