mark GetPixel as @implemented and fix param names

reactos/lib/gdi32/objects

diff -u -r1.17 -r1.18
--- bitblt.c	14 Feb 2004 00:31:39 -0000	1.17
+++ bitblt.c	15 Mar 2004 04:21:17 -0000	1.18
@@ -1,4 +1,4 @@

-/* $Id: bitblt.c,v 1.17 2004/02/14 00:31:39 sedwards Exp $

+/* $Id: bitblt.c,v 1.18 2004/03/15 04:21:17 royce Exp $

  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS system libraries

@@ -349,17 +349,13 @@

 
 
 /*

- * @unimplemented

+ * @implemented

  */
 COLORREF
 STDCALL

-GetPixel(
-	HDC	a0,
-	int	a1,
-	int	a2
-	)

+GetPixel(HDC hDC, int X, int Y)

 {

-	return NtGdiGetPixel(a0, a1, a2);

+   return NtGdiGetPixel(hDC, X, Y);

 }