workaround for a strange mingw problem caused by fast string operator+

error: no matching function for call to ‘transform(const com::sun::star::beans::NamedValue*,
const com::sun::star::beans::NamedValue*, com::sun::star::uno::Any*,
<unresolved overloaded function type>)’

Change-Id: I7d38a7ee13497fd11b2cea340e2f800dd78f485f

comphelper/inc/comphelper/namedvaluecollection.hxx

@@ -356,11 +356,12 @@ namespace comphelper
             ::com::sun::star::uno::Sequence< VALUE_TYPE > aValues;
             *this >>= aValues;
             ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > aWrappedValues( aValues.getLength() );
+            ::com::sun::star::uno::Any (* const makeAny)(const VALUE_TYPE&) = ::com::sun::star::uno::makeAny< VALUE_TYPE >;
             ::std::transform(
                 aValues.getConstArray(),
                 aValues.getConstArray() + aValues.getLength(),
                 aWrappedValues.getArray(),
-                ::com::sun::star::uno::makeAny< VALUE_TYPE >
+                makeAny
             );
             return aWrappedValues;
         }