comctl32: Replace const pointer parameter with correct pointer to const

[Andrew Talbot]

Changelog:
    comctl32: Replace const pointer parameters with correct pointers to const.

diff -urN a/dlls/comctl32/rebar.c b/dlls/comctl32/rebar.c
--- a/dlls/comctl32/rebar.c	2007-03-01 17:36:03.000000000 +0000
+++ b/dlls/comctl32/rebar.c	2007-03-05 18:14:19.000000000 +0000
@@ -1762,7 +1762,7 @@
 }
 
 static void
-REBAR_InternalHitTest (REBAR_INFO *infoPtr, const LPPOINT lpPt, UINT *pFlags, INT *pBand)
+REBAR_InternalHitTest (REBAR_INFO *infoPtr, const POINT *lpPt, UINT *pFlags, INT *pBand)
 {
     REBAR_BAND *lpBand;
     RECT rect;