cluster/afr: Set right argument order for STACK_WIND_COOKIE

Change-Id: Ia26e17a7147ed825319c7c29880b9cf4ae80a48c
BUG: 1085259
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Reviewed-on: http://review.gluster.org/7416
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>

xlators/cluster/afr/src/afr-inode-read.c

@@ -1487,7 +1487,7 @@ afr_fgetxattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
 		return 0;
 	}
 
-	STACK_WIND_COOKIE (frame, (void *) (long) subvol, afr_fgetxattr_cbk,
+	STACK_WIND_COOKIE (frame, afr_fgetxattr_cbk, (void *) (long) subvol,
 			   priv->children[subvol],
 			   priv->children[subvol]->fops->fgetxattr,
 			   local->fd, local->cont.getxattr.name,