cygwin: environment-related fixes.

* stream.c (run): replace_env takes only one argument.

* tests/018/process.tl: *child-env* tests are reporting some extra
environment variables on Windows; let's just disable them.

1 files changed, 2 insertions, 2 deletions

diff --git a/stream.c b/stream.c
index 95547e03..34609f87 100644
--- a/stream.c
+++ b/stream.c
@@ -4769,7 +4769,7 @@ static val run(val command, val args)
 
   if (ch_env != t) {
     save_env = env();
-    replace_env(ch_env, nil);
+    replace_env(ch_env);
   }
 
   wargv = coerce(const wchar_t **, chk_xalloc(nargs + 1, sizeof *wargv, self));
@@ -4792,7 +4792,7 @@ static val run(val command, val args)
 
   uw_unwind {
     if (ch_env != t)
-      replace_env(save_env, nil);
+      replace_env(save_env);
     fds_restore(&sfds);
   }