gdi32: Fix XFORM.eM22 calculation in PlgBlt.
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@ -1037,7 +1037,7 @@ BOOL WINAPI PlgBlt( HDC hdcDest, const POINT *lpPoint,
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/* Y components */
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xf.eM12 = (plg[1].y*(rect[2].y - rect[0].y) - plg[2].y*(rect[1].y - rect[0].y) - plg[0].y*(rect[2].y - rect[1].y)) / det;
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xf.eM22 = (plg[1].x*(rect[2].y - rect[0].y) - plg[2].x*(rect[1].y - rect[0].y) - plg[0].x*(rect[2].y - rect[1].y)) / det;
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xf.eM22 = (rect[1].x*(plg[2].y - plg[0].y) - rect[2].x*(plg[1].y - plg[0].y) - rect[0].x*(plg[2].y - plg[1].y)) / det;
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xf.eDy = (rect[0].x*(rect[1].y*plg[2].y - rect[2].y*plg[1].y) -
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rect[1].x*(rect[0].y*plg[2].y - rect[2].y*plg[0].y) +
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rect[2].x*(rect[0].y*plg[1].y - rect[1].y*plg[0].y)
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