win32text: fix encoding

This was broken ever since VLC was switched to UTF-8.

modules/text_renderer/win32text.c

@@ -314,19 +314,9 @@ static int RenderText( filter_t *p_filter, subpicture_region_t *p_region_out,
     if( !p_region_in->psz_text || !*p_region_in->psz_text )
         return VLC_EGENERIC;
 
-    psz_string = malloc( (strlen( p_region_in->psz_text )+1) * sizeof(TCHAR) );
-    if( !psz_string )
-        return VLC_ENOMEM;
-#ifdef UNICODE
-    if( mbstowcs( psz_string, p_region_in->psz_text,
-                  strlen( p_region_in->psz_text ) * sizeof(TCHAR) ) < 0 )
-    {
-        free( psz_string );
+    psz_string = ToT(p_region_in->psz_text);
+    if( psz_string == NULL )
         return VLC_EGENERIC;
-    }
-#else
-    strcpy( psz_string, p_region_in->psz_text );
-#endif
     if( !*psz_string )
     {
         free( psz_string );