Alexander Larsson efaaa3a4a8 wayland: Don't send bogus values for cursor surface buffer/scale ...

I was getting really weird values for scale for the blank cursor used
when hiding the cursor in a GtkEntry when typing, this was caused
by gdk_wayland_device_update_window_cursor sending random values
when the returned buffer was NULL.

We fix this by just not sending any buffer or scale updates in this
case.

2015-05-11 14:11:44 -04:00

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