gfapi/upcall: Fix a ref leak

inode_find (used to create the handle) takes a reference
of the inode. This needs to be un'refernced to avoid leak.

Change-Id: I22f03577a8f1d9608cfc62d57202cfc4c2ba12b3
BUG: 1358608
Signed-off-by: Soumya Koduri <skoduri@redhat.com>
Reviewed-on: http://review.gluster.org/14984
Reviewed-by: jiffin tony Thottan <jthottan@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.org>

api/src/glfs-handleops.c

@@ -1841,6 +1841,10 @@ glfs_h_find_handle (struct glfs *fs, unsigned char *handle, int len)
         gf_uuid_copy (object->gfid, object->inode->gfid);
 
 out:
+        /* inode_find takes a reference. Unref it. */
+        if (newinode)
+                inode_unref (newinode);
+
         glfs_subvol_done (fs, subvol);
 
         __GLFS_EXIT_FS;