autoconf: reformat long lines

autoconf: reformat long lines

The autoupdate tool was run to modernize the autoconf macros but
generates very long lines. Manually reformat the long lines to make them
more reasonable.

Reviewed-on: https://gerrit.openafs.org/13125
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Marcio Brito Barbosa <mbarbosa@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
(cherry picked from commit 451602a5e3a503d46eaecb3738d259e46023afcd)

Change-Id: I19f16a66fdc6b33889f08e5a095b1f3209b01a3c
Reviewed-on: https://gerrit.openafs.org/13484
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Marcio Brito Barbosa <mbarbosa@sinenomine.net>
Reviewed-by: Cheyenne Wills <cwills@sinenomine.net>
Reviewed-by: Mark Vitale <mvitale@sinenomine.net>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>