slight change to reflect BB_VER change
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 740daaf..55a672a 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -76,7 +76,7 @@
 	arp: "\0\0\0\0\0\0",		/* appease gcc-3.0 */
 };
 
-#ifndef BB_VER
+#ifndef IN_BUSYBOX
 static void __attribute__ ((noreturn)) show_usage(void)
 {
 	printf(