win32k: EngLineTo needs to be rewritten

In DIB_16BPP_HLine():

SurfObj->pvScan0 = 0xa2077000
SurfObj->lDelta = 1600
x1 = 50
x2 = 96
y = -4
c = 0x6b37

In EngLineTo():

x1 = -4
y1 = -4
x2 = 804
y2 = -4
RectBounds =

{ -4; -4; 804; -4 }

Clip = { 0xcdcdcdcd;

{ 50; -4; 96; 18 }

; 1; 1; 0; 0xcd }

In IntGdiLineTo(), NtGdiLineTo():

XEnd = 808
YEnd = 0

Memory at 0xA2075764 could not be written: Page not present.

DIB_16BPP_HLine . dib/dib16bpp.c:51
EngLineTo ....... eng/lineto.c:441
IntEngLineTo .... eng/lineto.c:587
IntGdiLineTo .... objects/line.c:147
NtGdiLineTo ..... objects/line.c:390