dlls/wined3d/state.c -- fix error handling

[Stefan Dösinger]

Am Dienstag, 4. Dezember 2007 01:34:55 schrieb Gerald Pfeifer:
> This looks like a mistaken consistency check.  The code where mapped_stage
> is set looks as follows:
>
>   DWORD mapped_stage = stateblock->wineD3DDevice->texUnitMap[texUnit];
>
> and at other places we do check for -1, so this looks like another bug
> in error handling.
In fact the texUnitMap entries are never set to any value < 0 other than -1, 
so it doesn't make much difference, but for the sake of consistency we should 
check for -1 here as well
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