Build fixes for FX11

git-svn-id: http://protobuf-net.googlecode.com/svn/trunk@634 b72047a4-3652-0410-9617-b3994939e97b
Protoc 2.5

git-svn-id: http://protobuf-net.googlecode.com/svn/trunk@635 b72047a4-3652-0410-9617-b3994939e97b