vxge: Remember to release firmware after upgrading firmware

Regardless of whether the firmware update being performed by
vxge_fw_upgrade() is a success or not we must still remember to always
release_firmware() before returning.
Signed-off-by: NJesper Juhl <jj@chaosbits.net>
Acked-by: NRam Vepa <ram.vepa@exar.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/vxge/vxge-main.c

@@ -4120,6 +4120,7 @@ int vxge_fw_upgrade(struct vxgedev *vdev, char *fw_name, int override)
 	       "hotplug event.\n");
 
 out:
+	release_firmware(fw);
 	return ret;
 }