Fix remote test execution in lit

Can be used as such:

  $ python /path/to/lit.py -sv /path/to/llvm/build/projects/libcxx/test/ \
    --param=use_system_cxx_lib=true \
    --param=executor='SSHExecutor("remote.domain", "username")'

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@299607 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed