win32: drop stream i/o workaround

It seems that one of the workarounds for problems with stream i/o
in MSVCRT was unnecessary.  It also caused display glitches when
the 32-bit binary was run on 64-bit systems.

Remove it.

Saves 112 bytes in the 32-bit build.

(GitHub issue #472)

1 files changed, 0 insertions, 9 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 5768b6d71..1fc2a44b1 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -6635,15 +6635,6 @@ redirect(union node *redir, int flags)
                         if (!closed) {
                                 /* ^^^ optimization: saving may already
                                  * have closed it. If not... */
-#if ENABLE_PLATFORM_MINGW32 && !defined(_UCRT) && !defined(_WIN64)
-                                // Workaround for problems with streams in 32-bit MSVCRT
-                                if (fd == fileno(stdin))
-                                        fclose(stdin);
-                                else if (fd == fileno(stdout))
-                                        fclose(stdout);
-                                else if (fd == fileno(stderr))
-                                        fclose(stderr);
-#endif
                                 close(fd);
                         }
                 } else {