winex11.drv: warn and return when UploadGlyph fails in X11DRV_XRender_ExtTextOut

[Alexandre Julliard]

Aric Stewart <aric at codeweavers.com> writes:

> commit 082bc5ccbcc35e2058f1a3cd5c52345edf760631
> Author: Aric Stewart <aric at codeweavers.com>
> Date:   Tue Jun 22 16:58:38 2010 +0900
>
>     winex11.drv: warn and return when UploadGlyph fails in X11DRV_XRender_ExtTextOut
>     
>     this prevents crashing later when we are assuming that all the glyphs in the string have been realized and have valid data.

Missing glyphs should be replaced by the font default char or something
like that.

-- 
Alexandre Julliard
julliard at winehq.org