lib: set stderr._destroy to dummyDestroy

This seems to be typo: we are setting stdout._destroy instead of
stderr._destroy in the getter of stderr.

PR-URL: https://github.com/nodejs/node/pull/24398
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

lib/internal/process/stdio.js

@@ -32,7 +32,7 @@ function getMainThreadStdio() {
     stderr = createWritableStdioStream(2);
     stderr.destroySoon = stderr.destroy;
     // Override _destroy so that the fd is never actually closed.
-    stdout._destroy = dummyDestroy;
+    stderr._destroy = dummyDestroy;
     if (stderr.isTTY) {
       process.on('SIGWINCH', () => stderr._refreshSize());
     }