Ensure isatty is defined on Win32.

diff --git a/netdissect-stdinc.h b/netdissect-stdinc.h
index 2a4e1bc781a3c056e92c8a4ce76413e1d8cdbcac..7bea0c4fa69b91e4f673aaf2cd601eadf997054c 100644 (file)
--- a/netdissect-stdinc.h
+++ b/netdissect-stdinc.h
@@ -215,6 +215,7 @@
    * #defines to let us use them.
    */
   #define isascii __isascii
+  #define isatty _isatty
   #define stat _stat
   #define strdup _strdup
   #define open _open