buildscripts: Fix the regression with --without-acl-support.
This will disable the vfs_glusterfs and vfs_cephfs modules if
you provide --without-acl-support.
In addition it makes compiling in POSIXACL_XATTR conditional
on vfs_glusterfs or vfs_cephfs being built in.
Signed-off-by: Ira Cooper <ira@samba.org>
Reviewed-by: Steve French <sfrench@samba.org>
Tested-by: Steve French <sfrench@samba.org>
Autobuild-User(master): Ira Cooper <ira@samba.org>
Autobuild-Date(master): Mon Aug 8 21:27:46 CEST 2016 on sn-devel-144