gfapi: Fix few fd ref leaks

From the code inspection, have observed that there are fd ref
leaks for few fd-based gfapi fops. 'glfs_resolve_fd' returns
a fd (either existing or migrated) with an extra ref taken.
This needs to be unref'ed at the end of the operation.

Mainline reference:
> Change-Id: Id63394e3e7deafb0c8b06444f2ae847248b126db
> BUG: 1379285
> Signed-off-by: Soumya Koduri <skoduri@redhat.com>
> Reviewed-on: http://review.gluster.org/15573
> Reviewed-by: Niels de Vos <ndevos@redhat.com>
(cherry picked from commit d27cffab670858d7812bbb458a0833303d009b3b)

Change-Id: I17dd9e31eca7ffa1f60a9e3a66b1c7051ce9002f
BUG: 1379707
Signed-off-by: Soumya Koduri <skoduri@redhat.com>
Reviewed-on: http://review.gluster.org/15584
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: Shyamsundar Ranganathan <srangana@redhat.com>
Reviewed-by: Raghavendra Talur <rtalur@redhat.com>

0 files changed, 0 insertions, 0 deletions