gdi32: Remove superfluous pointer casts.
diff --git a/dlls/gdi32/dib.c b/dlls/gdi32/dib.c
index 7782c51..dabcf53 100644
--- a/dlls/gdi32/dib.c
+++ b/dlls/gdi32/dib.c
@@ -616,8 +616,8 @@
     }
 
     colorPtr = (LPBYTE) info + (WORD) info->bmiHeader.biSize;
-    rgbTriples = (RGBTRIPLE *) colorPtr;
-    rgbQuads = (RGBQUAD *) colorPtr;
+    rgbTriples = colorPtr;
+    rgbQuads = colorPtr;
 
     /* Transfer color info */