xorg plugin: first call of plugin_poll_startup handled incorrectly
xorg plugin: first call of plugin_poll_startup handled incorrectly

In plugin_initialize, the return value of the first call to plugin_poll_startup is handled incorrectly - as plugin_poll_startup is a GSourceFunc, it returns FALSE when it's successful..

freedesktop-unofficial-mirror/ohm,freedesktop-unofficial-mirror/ohm