cleaned up includes a bit after IPv6 changes

src/include/lwip/ip4.h

@@ -38,8 +38,7 @@
 
 #include "lwip/def.h"
 #include "lwip/pbuf.h"
-#include "lwip/ip_addr.h"
-#include "lwip/ip6_addr.h"
+#include "lwip/ip4_addr.h"
 #include "lwip/err.h"
 #include "lwip/netif.h"
 

src/include/netif/etharp.h

@@ -40,9 +40,9 @@
 #if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
 
 #include "lwip/pbuf.h"
-#include "lwip/ip_addr.h"
+#include "lwip/ip4_addr.h"
 #include "lwip/netif.h"
-#include "lwip/ip.h"
+#include "lwip/ip4.h"
 #include "netif/ethernet.h"
 
 #ifdef __cplusplus

src/netif/etharp.c

@@ -47,15 +47,11 @@
 
 #if LWIP_ARP || LWIP_ETHERNET
 
-#include "lwip/ip_addr.h"
-#include "lwip/def.h"
-#include "lwip/ip.h"
+#include "netif/etharp.h"
 #include "lwip/stats.h"
 #include "lwip/snmp.h"
 #include "lwip/dhcp.h"
 #include "lwip/autoip.h"
-#include "netif/etharp.h"
-#include "lwip/ip6.h"
 
 #include <string.h>