fix windows build

warning C4334: '<<' : result of 32-bit shift implicitly converted to 64
bits (was 64-bit shift intended?)

after my commit 60e659ae
"convert IMPL_FONT_ATTR constants to scoped enum"

Change-Id: I83f1ea5869fa60c89dbc706020f68cc2c4277f48

unotools/source/config/fontcfg.cxx

@@ -988,7 +988,7 @@ FontWidth FontSubstConfiguration::getSubstWidth( const com::sun::star::uno::Refe
 ImplFontAttrs FontSubstConfiguration::getSubstType( const com::sun::star::uno::Reference< XNameAccess >& rFont,
                                                     const OUString& rType ) const
 {
-    sal_uLong type = 0;
+    unsigned long type = 0;
     try
     {
         Any aAny = rFont->getByName( rType );