bugfix - signal handling
bugfix - signal handling

when sysrepo daemons daemonize, they check status of the forked process
via SIGCHLD. When daemonize is done, SIGCHLD is supposed to be again processed
by its default handler to keep working system calls like waitpid() or system().

morganzhh/sysrepo,morganzhh/sysrepo,morganzhh/sysrepo,morganzhh/sysrepo,morganzhh/sysrepo,morganzhh/sysrepo,morganzhh/sysrepo