Xephyr: remove a potential crasher
* hw/kdrive/ephyr/hostx.c: (hostx_has_dri): be more defensive.
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@ -1328,6 +1328,9 @@ hostx_has_dri (void)
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int event_base=0, error_base=0 ;
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Display *dpy=hostx_get_display () ;
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if (!dpy)
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return FALSE ;
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if (!XF86DRIQueryExtension (dpy,
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&event_base,
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&error_base)) {
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