undefined symbol in SVGAlib ?

[BT <thomas.1037@osu.edu>]

Hi,
I am on debian unstable and after a recent dist-upgrade, all my console 
utilities that use svgalib dont work. For instance zgv gives the following
error

zgv: relocation error: /usr/lib/libc5-compat/libvga.so.1: undefined symbol: _xstat

I would be grateful if you could tell me how to fix this. 
TIA
bt

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