patch applied (testsuite): add 'set -e' to catch errors properly

[Simon Marlow]

Thu Mar 12 09:00:24 PDT 2009  Simon Marlow <marlowsd at gmail.com>
  * add 'set -e' to catch errors properly
  Ignore-this: 2380820520fe5b1b821295eadafb95b2

    M ./tests/ghc-regress/cabal/Makefile +1

View patch online:
http://darcs.haskell.org/testsuite/_darcs/patches/20090312160024-12142-dea4f787d973cd539cb530432e71155acb78f226.gz