[PATCH] gdi32: Fix SetPixel error return value.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/gdi32/painting.c |  2 +-
  dlls/gdi32/tests/dc.c | 10 ++++++++++
  2 files changed, 11 insertions(+), 1 deletion(-)