Qt: fix Win32 compilation

Mingw, Mingw-w64 and MSVC support towlower

diff --git a/modules/gui/qt4/util/customwidgets.cpp b/modules/gui/qt4/util/customwidgets.cpp
index 5a509d435c8e6d7e6e76b7c5d601e8b4ea81dabf..a99456d4dbf536828f7eaa831f91dbe20e32933a 100644 (file)
--- a/modules/gui/qt4/util/customwidgets.cpp
+++ b/modules/gui/qt4/util/customwidgets.cpp
@@ -361,7 +361,7 @@ int qtEventToVLCKey( QKeyEvent *e )
 
     if( qtk <= 0xff )
         /* VLC and X11 use lowercase whereas Qt uses uppercase */
-#ifdef __STDC_ISO_10646__
+#if defined( __STDC_ISO_10646__ ) || defined( _WIN32 )
         i_vlck = towlower( qtk );
 #else
 # error FIXME