[PATCH] upower: Handle Linux power supplies not exporting a present property

[Richard Hughes]

On 27 November 2011 19:39, Heiko Stübner <heiko at sntech.de> wrote:
> According to Anton Vorontsov (Linux power supply maintainer) power
> supplies should not export a present property when they are not
> hotpluggable and users of the properties should handle supplies
> without present-property as always present.

Applied with cosmetic changes. Thanks!

Richard.