libiproute: code and data shrink

libiproute: code and data shrink

function                                             old     new   delta
rtnl_a2n                                               -     126    +126
ll_remember_index                                    233     263     +30
find_by_index                                         26      36     +10
rtnl_rtprot_initialize                                66      70      +4
static.unit_chars                                      7       9      +2
rtnl_rttable_initialize                               73      75      +2
rtnl_rtscope_initialize                               83      85      +2
rtnl_rtrealm_initialize                               43      45      +2
rtnl_rtdsfield_initialize                             43      45      +2
rtnl_rttable_n2a                                      62      63      +1
rtnl_rtscope_n2a                                      62      63      +1
rtnl_rtrealm_n2a                                      62      63      +1
rtnl_dsfield_n2a                                      70      71      +1
ll_init_map                                           36      33      -3
make_human_readable_str                              262     258      -4
static.fmt                                            97      92      -5
static.fmt_tenths                                     10       -     -10
static.str                                            21       4     -17
static.res                                            20       -     -20
static.cache                                          24       4     -20
idxmap                                                64       4     -60
rtnl_rttable_a2n                                     154      39    -115
rtnl_rtscope_a2n                                     159      39    -120
rtnl_rtrealm_a2n                                     159      39    -120
rtnl_rtprot_a2n                                      159      39    -120
rtnl_dsfield_a2n                                     162      39    -123
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 12/11 up/down: 184/-737)       Total: -553 bytes
   text           data            bss            dec            hex        filename
 820376            445           7668         828489          ca449        busybox_old
 819950            445           7548         827943          ca227        busybox_unstripped

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