fdo#81304 don't parse file name as part of URL

... because the name is not URL-encoded at this point, so parsing it as
a part of the URL will interpret special characters, e.g. #.

Change-Id: I780baed1753e9674d835dc296d31c088b67d8ba7
(cherry picked from commit f3d7734af45f30a87d6de76aa3de7593d541bdc8)
Reviewed-on: https://gerrit.libreoffice.org/10294
Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Eike Rathke <erack@redhat.com>
diff --git a/sfx2/source/doc/guisaveas.cxx b/sfx2/source/doc/guisaveas.cxx
index 85a9947..b8d487d 100644
--- a/sfx2/source/doc/guisaveas.cxx
+++ b/sfx2/source/doc/guisaveas.cxx
@@ -1279,7 +1279,8 @@ OUString ModelData_Impl::GetRecommendedName( const OUString& aSuggestedName, con
                uno::UNO_QUERY );
            if ( xTypeDetection.is() )
            {
                INetURLObject aObj( OUString( "file:///c:/" ) + aRecommendedName );
                INetURLObject aObj( OUString( "file:///c:/" ) );
                aObj.SetName( aRecommendedName );

                uno::Sequence< beans::PropertyValue > aTypeNameProps;
                if ( ( xTypeDetection->getByName( aTypeName ) >>= aTypeNameProps ) && aTypeNameProps.getLength() )