com_err.c: Only check if stderr is a tty under Win32; Win16 does not

	even declare stderr. (win16/win32)

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@9864 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/util/et/com_err.c b/src/util/et/com_err.c
index 387458f9598fd594f349958654fd413774277567..0687827fac586663136ee3e4b28a35c084038f29 100644 (file)
--- a/src/util/et/com_err.c
+++ b/src/util/et/com_err.c
@@ -99,12 +99,14 @@ void KRB5_CALLCONV default_com_err_proc(ectx, priv, whoami, code, fmt, ap)
        MacMessageBox(errbuf);
 #else
        /* For Windows */
+#ifdef _WIN32
        if (_isatty(_fileno(stderr))) {
            fputs(errbuf, stderr);
            fputc('\r', stderr);
            fputc('\n', stderr);
            fflush(stderr);
        } else
+#endif /* _WIN32 */
            MessageBox ((HWND)NULL, errbuf, "Kerberos", MB_ICONEXCLAMATION);
 #endif
 }