traceroute: commonalize verbose printing

function                                             old     new   delta
hexdump                                                -     274    +274
traceroute_init                                     1172    1147     -25
pr_type                                               79       -     -79
common_traceroute_main                              2091    1785    -306
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/2 up/down: 274/-410)         Total: -136 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed