* gitlab CI: stop requiring Signed-off-by in commits
* Remove "All rights reserved" from Oracle copyright notices
* xhost.man: Use .BR markup for all references to other man pages
* user2netname expects a MAXNETNAMELEN + 1 buffer, so give it one
* Clear trailing whitespace from lines in files
* reduce scope of #ifdef'ed variables to reduce #ifdefs
* Simplify ifdefs for IPv6 support
* if getaddrinfo() is available, use it, even if IPv6 support is disabled
* Replace inet_addr()/inet_aton() with a call to inet_pton()
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xhost?expand=0&rev=15
