minor derivative to reduce compiler warnings and tag read-only parameters as const.

Dependents:   EthernetInterface

Fork of lwip by mbed official

Revision:
6:00bf89892c76
Parent:
0:51ac1d130fd4
Child:
10:42a34d63b218
--- a/core/dhcp.c	Tue Jun 26 14:13:33 2012 +0000
+++ b/core/dhcp.c	Mon Jul 23 11:52:35 2012 +0000
@@ -115,7 +115,7 @@
 #define DHCP_OPTION_IDX_T2          5
 #define DHCP_OPTION_IDX_SUBNET_MASK 6
 #define DHCP_OPTION_IDX_ROUTER      7
-#define DHCP_OPTION_IDX_DNS_SERVER	8
+#define DHCP_OPTION_IDX_DNS_SERVER    8
 #define DHCP_OPTION_IDX_MAX         (DHCP_OPTION_IDX_DNS_SERVER + DNS_MAX_SERVERS)
 
 /** Holds the decoded option values, only valid while in dhcp_recv.