readprofile: fix --reest (--reset) typo

Reported-by: Branislav Blaskovic <notifications@github.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
wall: use xgethostname()

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
login: remove file descriptor leak [cppcheck]

[login-utils/login.c:510]: (error) Resource leak: fd

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
unshare(1): delete empty NOTES section

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
unshare: tweak style

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
build-sys: add exec_shell.h to distribution

Signed-off-by: Bernhard Voelker <mail@bernhard-voelker.de>