travis: We need to run autoreconf a bit earlier

Author: hvr

.travis.yml

@@ -49,12 +49,12 @@ install:
    fi
  - travis_retry cabal update -v
  - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
+ - if [ -f configure.ac ]; then autoreconf -i; fi
  - cabal new-build ${TEST} ${BENCH} --dep
 
 # Here starts the actual work to be performed for the package under test;
 # any command which exits with a non-zero exit code causes the build to fail.
 script:
- - if [ -f configure.ac ]; then autoreconf -i; fi
  # this builds all libraries and executables (including tests/benchmarks)
  - cabal new-build ${TEST} ${BENCH} -v2  # -v2 provides useful information for debugging