patch applied (ghc): Document -dynload flag. Also add it and -shared to the flags reference.

[Ian Lynagh]

Sat Jul  4 14:21:19 PDT 2009  Duncan Coutts <duncan at well-typed.com>
  * Document -dynload flag. Also add it and -shared to the flags reference.

    M ./docs/users_guide/flags.xml +13
    M ./docs/users_guide/phases.xml +13

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090704212119-b0bbe-44467964bd85fff6c487a3e07195f45099ac96c0.gz