mount.gfs: fix mount error handling
mount.gfs: fix mount error handling

When mount(2) fails, mount.gfs tells gfs_controld to leave the cpg.
libgfscontrol requires the leave call to specify the locktable, which
mount.gfs wasn't setting, causing it to segfault.

Signed-off-by: David Teigland <cf7ba74ea50525d3d47fcd7a6d69b51121a9f873@redhat.com>

asp24/resource-agents,asp24/resource-agents,stevenraspudic/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents,stevenraspudic/resource-agents