udhcpc: fix comment, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 80391f6..d1a0eaf 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -507,7 +507,7 @@
 		putenv(*curr++);
 	}
 	if (packet->gateway_nip) {
-		/* IP address of DHCP relay agent to use in bootstrap */
+		/* IP address of DHCP relay agent */
 		*curr = xmalloc(sizeof("giaddr=255.255.255.255"));
 		sprint_nip(*curr, "giaddr=", (uint8_t *) &packet->gateway_nip);
 		putenv(*curr++);