Bug#825975: Invitation to sysvinit maintenance

[Dmitry Bogatov]

[2018-11-19 18:14] Jesse Smith <jessefrgsmith at yahoo.ca>
> Thank you, Samuel. The patch looks good to me. I have added it upstream
> and, assuming my testing goes smoothly, this fix will be in the 2.92
> final release later this month.

Could you please make it conditional? asprintf(3) is GNU extension, it
would cause problems for non-glibc distributions.