Replace a few more bb_info_msg's by bb_error_msg or printf

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/traceroute.c b/networking/traceroute.c
index 642110c..eee4f88 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -497,7 +497,7 @@
 
 	res = xsendto(sndsock, out, len, &dest_lsa->u.sa, dest_lsa->len);
 	if (res != len)
-		bb_info_msg("sent %d octets, ret=%d", len, res);
+		bb_error_msg("sent %d octets, ret=%d", len, res);
 }
 
 #if ENABLE_FEATURE_TRACEROUTE_VERBOSE