*: simplify Ethernet header includes

Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 5d3291b..4d755e6 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -25,14 +25,8 @@
 #include "dhcpd.h"
 #include "dhcpc.h"
 
-#include <asm/types.h>
-#if (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined(_NEWLIB_VERSION)
-# include <netpacket/packet.h>
-# include <net/ethernet.h>
-#else
-# include <linux/if_packet.h>
-# include <linux/if_ether.h>
-#endif
+#include <netinet/if_ether.h>
+#include <netpacket/packet.h>
 #include <linux/filter.h>
 
 /* struct client_config_t client_config is in bb_common_bufsiz1 */