remove two lines to prevent crash during compile for the mbed frdm k64f

Dependencies:   Socket lwip-eth lwip-sys lwip

Fork of EthernetInterface by mbed official

lwip-eth.lib

Committer:
Frostworks
Date:
2017-04-14
Revision:
56:16def471e387
Parent:
55:84000bbe55af

File content as of revision 56:16def471e387:

https://developer.mbed.org/users/Frostworks/code/lwip-eth/#6987f08bc079