EnGenius ESR-9753 Router Firmware 1.1.2

Fixes:
- Fixed WEB content issue: The Internet Status will not show DNS IP address when WAN connection is Static IP.
Step1: Set Dynamic IP's DNS to "From ISP", then apply.
Step2: Switch WAN connection type to Static IP and set valid DNS IP address.
Step3: The status page will not display DNS IP address.
Step4: Modify Static IP configuration again then apply, the status will display. - Fixed PPTP issue: Fail to establish PPTP connection if using PPTP-Dynamic:
DUT will send DHCP RELEASE packet and cannot establish PPTP connection when switch WAN connection from DHCP to PPTP-Dynamic.
- Fixed L2TP-Dynamic issue: Fail to establish L2TP connection
(1) Using L2TP-Dynamic IP. If input valid words in host name field, DUT won't send DHCP DISCOVERY packet and cannot establish L2TP connection.
(2) DUT will send DHCP RELEASE packet and cannot establish L2TP connection when switch WAN connection from DHCP to L2TP-Dynamic.