The fast window frame size should be the same as the frame size used
by NC_DrawFrame function.
diff --git a/graphics/bitblt.c b/graphics/bitblt.c
index 01af367..89be246 100644
--- a/graphics/bitblt.c
+++ b/graphics/bitblt.c
@@ -143,9 +143,9 @@
rect->right - rect->left - width, height, rop );
PatBlt( hdc, rect->left, rect->top + height, width,
rect->bottom - rect->top - height, rop );
- PatBlt( hdc, rect->left + width, rect->bottom,
+ PatBlt( hdc, rect->left + width, rect->bottom - 1,
rect->right - rect->left - width, -height, rop );
- PatBlt( hdc, rect->right, rect->top, -width,
+ PatBlt( hdc, rect->right - 1, rect->top, -width,
rect->bottom - rect->top - height, rop );
SelectObject( hdc, hbrush );
return TRUE;