nfs: allow hostnames with dashes in exports/netgroups files

Hostnames with dashes (like "vagrant-testVM") are not correctly parsed
when reading the exports/netgroups files. This bacomes obvious when
running ./run-tests-in-vagrant.sh because it causes
tests/basic/mount-nfs-auth.t and tests/basic/netgroup_parsing.t to fail.

The regex for hostname (in exports) and the entry and hostname
(netgroups) parsing does not include the "-" sign, and hence the
hostnames are splitted at it.

Cherry picked from commit e5221d288e41d29d89d52f8deab657d2285a852c:
> BUG: 1350237
> Change-Id: I38146a283561e1fa386cc841c43fd3b1e30a87ad
> Signed-off-by: Niels de Vos <ndevos@redhat.com>
> Reviewed-on: http://review.gluster.org/14809
> Smoke: Gluster Build System <jenkins@build.gluster.org>
> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
> Reviewed-by: Jeff Darcy <jdarcy@redhat.com>

Change-Id: I38146a283561e1fa386cc841c43fd3b1e30a87ad
BUG: 1357835
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Reviewed-on: http://review.gluster.org/14956
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: jiffin tony Thottan <jthottan@redhat.com>

0 files changed, 0 insertions, 0 deletions