mono/mono — pull request #1480 by akoeplinger (2014-12-25 22:06:18+00:00)
Title: [mcs] xml doc: return correct signature for nested array

Fixes https://bugzilla.xamarin.com/show_bug.cgi?id=25544

Note: I have no idea if this is the correct fix (relying on ToString() sounds less than ideal), but it does fix the issue in the bug report :smile: