shell32: Constify some variables.

dlls/shell32/shell32_main.h

@@ -81,7 +81,7 @@ LPDATAOBJECT	IDataObject_Constructor(HWND hwndOwner, LPCITEMIDLIST myPidl, LPCIT
 LPENUMFORMATETC	IEnumFORMATETC_Constructor(UINT, const FORMATETC []);
 
 LPCLASSFACTORY	IClassFactory_Constructor(REFCLSID);
-IContextMenu2 *	ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, LPCITEMIDLIST *aPidls, UINT uItemCount);
+IContextMenu2 *	ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, const LPCITEMIDLIST *aPidls, UINT uItemCount);
 IContextMenu2 *	ISvBgCm_Constructor(LPSHELLFOLDER pSFParent, BOOL bDesktop);
 LPSHELLVIEW	IShellView_Constructor(LPSHELLFOLDER);
 

dlls/shell32/shlview.c

@@ -1557,7 +1557,7 @@ static LRESULT ShellView_OnNotify(IShellViewImpl * This, UINT CtlID, LPNMHDR lpn
 * ShellView_OnChange()
 */
 
-static LRESULT ShellView_OnChange(IShellViewImpl * This, LPITEMIDLIST * Pidls, LONG wEventId)
+static LRESULT ShellView_OnChange(IShellViewImpl * This, const LPCITEMIDLIST * Pidls, LONG wEventId)
 {
 
 	TRACE("(%p)(%p,%p,0x%08x)\n", This, Pidls[0], Pidls[1], wEventId);
@@ -1610,7 +1610,7 @@ static LRESULT CALLBACK ShellView_WndProc(HWND hWnd, UINT uMessage, WPARAM wPara
 					GET_WM_COMMAND_ID(wParam, lParam),
 					GET_WM_COMMAND_CMD(wParam, lParam),
 					GET_WM_COMMAND_HWND(wParam, lParam));
-	  case SHV_CHANGE_NOTIFY: return ShellView_OnChange(pThis, (LPITEMIDLIST*)wParam, (LONG)lParam);
+	  case SHV_CHANGE_NOTIFY: return ShellView_OnChange(pThis, (const LPCITEMIDLIST*)wParam, (LONG)lParam);
 
 	  case WM_CONTEXTMENU:  ShellView_DoContextMenu(pThis, LOWORD(lParam), HIWORD(lParam), FALSE);
 	                        return 0;

dlls/shell32/shv_item_cmenu.c

@@ -77,7 +77,7 @@ static BOOL ISvItemCm_CanRenameItems(ItemCmImpl *This)
 /**************************************************************************
 *   ISvItemCm_Constructor()
 */
-IContextMenu2 *ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, LPCITEMIDLIST *apidl, UINT cidl)
+IContextMenu2 *ISvItemCm_Constructor(LPSHELLFOLDER pSFParent, LPCITEMIDLIST pidl, const LPCITEMIDLIST *apidl, UINT cidl)
 {	ItemCmImpl* cm;
 	UINT  u;