Fall Back to ttydrv when DISPLAY is not set

[Uwe Bonnes]

Changelog
	wine/dlls/user/user_main.c: load_driver
	wine/dlls/gdi/driver.c: load_display_driver
	Fall back to the ttydrv when the DIPLAY variable is not set			
-- 
Uwe Bonnes                bon at elektron.ikp.physik.tu-darmstadt.de

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
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