comctl32: Constify some variables (5 of 8)

[Andrew Talbot]

Changelog:
    comctl32: Constify some variables.

diff -urN a/dlls/comctl32/tooltips.c b/dlls/comctl32/tooltips.c
--- a/dlls/comctl32/tooltips.c	2007-03-19 17:26:40.000000000 +0000
+++ b/dlls/comctl32/tooltips.c	2007-03-31 21:20:07.000000000 +0100
@@ -435,7 +435,7 @@
 
 
 static void
-TOOLTIPS_CalcTipSize (HWND hwnd, TOOLTIPS_INFO *infoPtr, LPSIZE lpSize)
+TOOLTIPS_CalcTipSize (HWND hwnd, const TOOLTIPS_INFO *infoPtr, LPSIZE lpSize)
 {
     HDC hdc;
     HFONT hOldFont;
@@ -816,7 +816,7 @@
 
 
 static void
-TOOLTIPS_TrackHide (HWND hwnd, TOOLTIPS_INFO *infoPtr)
+TOOLTIPS_TrackHide (HWND hwnd, const TOOLTIPS_INFO *infoPtr)
 {
     TTTOOL_INFO *toolPtr;
     NMHDR hdr;
@@ -840,7 +840,7 @@
 
 
 static INT
-TOOLTIPS_GetToolFromInfoA (TOOLTIPS_INFO *infoPtr, LPTTTOOLINFOA lpToolInfo)
+TOOLTIPS_GetToolFromInfoA (const TOOLTIPS_INFO *infoPtr, const TTTOOLINFOA *lpToolInfo)
 {
     TTTOOL_INFO *toolPtr;
     INT nTool;
@@ -867,7 +867,7 @@
 
 
 static INT
-TOOLTIPS_GetToolFromInfoW (TOOLTIPS_INFO *infoPtr, LPTTTOOLINFOW lpToolInfo)
+TOOLTIPS_GetToolFromInfoW (const TOOLTIPS_INFO *infoPtr, const TTTOOLINFOW *lpToolInfo)
 {
     TTTOOL_INFO *toolPtr;
     INT nTool;
@@ -894,7 +894,7 @@
 
 
 static INT
-TOOLTIPS_GetToolFromPoint (TOOLTIPS_INFO *infoPtr, HWND hwnd, LPPOINT lpPt)
+TOOLTIPS_GetToolFromPoint (const TOOLTIPS_INFO *infoPtr, HWND hwnd, const POINT *lpPt)
 {
     TTTOOL_INFO *toolPtr;
     INT  nTool;