Const correctness fixes.

dlls/commdlg/finddlg32.c

@@ -385,7 +385,7 @@ static HWND COMDLG32_FR_DoFindReplace(
         		hmod = (HMODULE)pdata->fr.hInstance;
                         if(pdata->fr.Flags & FR_WINE_UNICODE)
                         {
-				htemplate = FindResourceW(hmod, (LPWSTR)pdata->fr.lpTemplateName, (LPWSTR)RT_DIALOG);
+				htemplate = FindResourceW(hmod, (LPCWSTR)pdata->fr.lpTemplateName, (LPWSTR)RT_DIALOG);
                         }
                         else
                         {

dlls/ole32/ole16.c

@@ -144,7 +144,7 @@ SEGPTR IMalloc16_fnRealloc(IMalloc16* iface,SEGPTR pv,DWORD cb)
 /******************************************************************************
  * IMalloc16_GetSize [COMPOBJ.506]
  */
-DWORD IMalloc16_fnGetSize(const IMalloc16* iface,SEGPTR pv)
+DWORD IMalloc16_fnGetSize(IMalloc16* iface,SEGPTR pv)
 {
 	IMalloc16Impl *This = (IMalloc16Impl *)iface;
         TRACE("(%p)->GetSize(%08lx)\n",This,pv);
@@ -154,7 +154,7 @@ DWORD IMalloc16_fnGetSize(const IMalloc16* iface,SEGPTR pv)
 /******************************************************************************
  * IMalloc16_DidAlloc [COMPOBJ.507]
  */
-INT16 IMalloc16_fnDidAlloc(const IMalloc16* iface,LPVOID pv) {
+INT16 IMalloc16_fnDidAlloc(IMalloc16* iface,LPVOID pv) {
         IMalloc16 *This = (IMalloc16 *)iface;
 	TRACE("(%p)->DidAlloc(%p)\n",This,pv);
 	return (INT16)-1;

dlls/user/cursoricon.c

@@ -284,7 +284,7 @@ static BOOL is_dib_monochrome( const BITMAPINFO* info )
     }
     else  /* assume BITMAPINFOHEADER */
     {
-        RGBQUAD *rgb = info->bmiColors;
+        const RGBQUAD *rgb = info->bmiColors;
 
         /* Check if the first color is black */
         if ((rgb->rgbRed == 0) && (rgb->rgbGreen == 0) &&