libiproute/*: code shrink

libiproute/*: code shrink

function                                             old     new   delta
ll_addr_a2n                                          181     178      -3
rtnl_rtntype_a2n                                     198     194      -4
ipaddr_modify                                       1309    1305      -4
print_addrinfo                                      1303    1298      -5
do_iplink                                           1137    1132      -5
print_route                                         1609    1603      -6
parse_args                                          1440    1434      -6
iproute_list_or_flush                               1261    1254      -7
rtnl_rttable_a2n                                      39      31      -8
rtnl_rtscope_a2n                                      39      31      -8
rtnl_rtrealm_a2n                                      39      31      -8
rtnl_rtprot_a2n                                       39      31      -8
rtnl_dsfield_a2n                                      39      31      -8
ll_type_n2a                                           78      70      -8
get_rt_realms                                        115     107      -8
print_tunnel                                         656     647      -9
rtnl_rttable_n2a                                      63      53     -10
rtnl_rtscope_n2a                                      63      53     -10
rtnl_rtrealm_n2a                                      63      53     -10
rtnl_rtntype_n2a                                     128     118     -10
rtnl_dsfield_n2a                                      71      61     -10
print_linkinfo                                       815     805     -10
ipaddr_list_or_flush                                1246    1235     -11
iproute_modify                                      1048    1036     -12
iprule_modify                                        866     851     -15
print_rule                                           765     738     -27
ll_addr_n2a                                          182     150     -32
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/27 up/down: 0/-262)          Total: -262 bytes

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