init_log(): declare progname argument as const

This fixes the following compilation warning:

  CC     vzcfgvalidate.o
vzcfgvalidate.c: In function ‘main’:
vzcfgvalidate.c:67: warning: passing argument 6 of ‘init_log’ discards qualifiers from pointer target type

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
2 files changed