dhcp: Remove errant extra ref (DO NOT MERGE) [bug: 4174566]

Change-Id: If2e7a394c9ab65f7a8d69a4e7b240705204bd34c
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/dhcp.c b/dhcp.c
index 1854cf2..244f5f2 100644
--- a/dhcp.c
+++ b/dhcp.c
@@ -318,7 +318,7 @@
 		*len = bl;
 	if (bp) {
 		memcpy(bp, op, ol);
-		return (const uint8_t *)&dhcp_opt_buffer;
+		return (const uint8_t *)dhcp_opt_buffer;
 	}
 	if (op)
 		return op;