chpst: fix whitespace damage

chpst: fix whitespace damage
svlogd: fix bug (two different "line" variables); stop using data/bss

function                                             old     new   delta
processorstop                                        419     432     +13
rotate                                               514     525     +11
buffer_pwrite                                        493     499      +6
sig_term_handler                                      68      70      +2
sig_hangup_handler                                    34      36      +2
sig_alarm_handler                                     34      36      +2
rmoldest                                             305     307      +2
processorstart                                       401     403      +2
logdir_close                                         188     190      +2
tmaxflag                                               1       -      -1
rotateasap                                             1       -      -1
repl                                                   1       -      -1
reopenasap                                             1       -      -1
linecomplete                                           1       -      -1
exitasap                                               1       -      -1
wstat                                                  4       -      -4
verbose                                                9       5      -4
replace                                                4       -      -4
nearest_rotate                                         4       -      -4
linemax                                                4       -      -4
linelen                                                4       -      -4
line                                                   4       -      -4
fndir                                                  4       -      -4
fl_flag_0                                              4       -      -4
fdwdir                                                 4       -      -4
dirn                                                   4       -      -4
dir                                                    4       -      -4
blocked_sigset                                         4       -      -4
sig_child_handler                                    248     239      -9
logdirs_reopen                                      1263    1240     -23
buffer_pread                                         532     473     -59
svlogd_main                                         1466    1367     -99
------------------------------------------------------------------------------
(add/remove: 0/18 grow/shrink: 9/5 up/down: 42/-248)         Total: -206 bytes
   text    data     bss     dec     hex filename
 770916     989    9496  781401   bec59 busybox_old
 770768     980    9448  781196   beb8c busybox_unstripped