Use bb_error_msg instead of bb_info_msg in all commented-out debug printouts

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/d6_packet.c b/networking/udhcp/d6_packet.c
index 79b2946..b340b5d 100644
--- a/networking/udhcp/d6_packet.c
+++ b/networking/udhcp/d6_packet.c
@@ -22,7 +22,7 @@
 		, packet->d6_xid32
 	);
 	//*bin2hex(buf, (void *) packet->chaddr, sizeof(packet->chaddr)) = '\0';
-	//bb_info_msg(" chaddr %s", buf);
+	//bb_error_msg(" chaddr %s", buf);
 }
 #endif