linker errors after upgrade to Ubuntu 11.10

[Sean Silva]

== Quote from Jesse Phillips (jessekphillips+d at gmail.com)'s article
> Ubuntu made some changes to the linker. See if this information
helps and
> report back. This is from a post in digitalmars.D
> "Changes to gcc or ld in Ubuntu 11.10 require a small addition to
prevent
> linker errors referencing librt. "-L-lphobos2" needs to be added to
DFLAGS
> before "-L-lrt". I spent a long time trying to figure the problem
out
> before I realized that gcc was tacking on a -lphobos2 to the END of
the
> command (after the -lrt flag).
> "This page: https://wiki.ubuntu.com/NattyNarwhal/ToolchainTransition
may
> explain the behavior, I'm not sure." Justin Whear

Yup, that did the trick! Everything is working just fine now as far as
I can tell.