shell32: Constify some variables.

dlls/shell32/brsfolder.c

@@ -179,7 +179,7 @@ static void InitializeTreeView( browse_info *info )
     IShellFolder_Release(lpsfParent);
 }
 
-static int GetIcon(LPITEMIDLIST lpi, UINT uFlags)
+static int GetIcon(LPCITEMIDLIST lpi, UINT uFlags)
 {
     SHFILEINFOW sfi;
     SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);

dlls/shell32/changenotify.c

@@ -105,7 +105,7 @@ static const char * DumpEvent( LONG event )
 #undef DUMPEV
 }
 
-static const char * NodeName(LPNOTIFICATIONLIST item)
+static const char * NodeName(const NOTIFICATIONLIST *item)
 {
     const char *str;
     WCHAR path[MAX_PATH];

dlls/shell32/cpanelfolder.c

@@ -917,7 +917,7 @@ static const IPersistFolder2Vtbl vt_PersistFolder2 =
     ICPanel_PersistFolder2_GetCurFolder
 };
 
-HRESULT CPanel_GetIconLocationW(LPITEMIDLIST pidl,
+HRESULT CPanel_GetIconLocationW(LPCITEMIDLIST pidl,
                LPWSTR szIconFile, UINT cchMax, int* piIndex)
 {
     PIDLCPanelStruct* pcpanel = _ILGetCPanelPointer(pidl);

dlls/shell32/shell32_main.h

@@ -99,7 +99,7 @@ HRESULT WINAPI FolderShortcut_Constructor(IUnknown * pUnkOuter, REFIID riid, LPV
 HRESULT WINAPI MyDocuments_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID *ppv);
 HRESULT WINAPI RecycleBin_Constructor(IUnknown * pUnkOuter, REFIID riif, LPVOID *ppv);
 HRESULT WINAPI ShellFSFolder_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID *ppv);
-extern HRESULT CPanel_GetIconLocationW(LPITEMIDLIST, LPWSTR, UINT, int*);
+extern HRESULT CPanel_GetIconLocationW(LPCITEMIDLIST, LPWSTR, UINT, int*);
 HRESULT WINAPI CPanel_ExtractIconA(LPITEMIDLIST pidl, LPCSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize);
 HRESULT WINAPI CPanel_ExtractIconW(LPITEMIDLIST pidl, LPCWSTR pszFile, UINT nIconIndex, HICON *phiconLarge, HICON *phiconSmall, UINT nIconSize);