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

Revision:
14:cec293071eed
Child:
20:0d9ae7845bfe
diff -r 0063a5bac04f -r cec293071eed lwip-sys.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwip-sys.lib	Mon Jul 23 11:53:01 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/lwip-sys/#2ace1ff71ae6