* emacsclient.c (main): Condition last change on WINDOWSNT (Bug#10155).

lib-src/emacsclient.c

@@ -1635,6 +1635,11 @@ main (int argc, char **argv)
   /* Send over our environment and current directory. */
   if (!current_frame)
     {
+#ifndef WINDOWSNT
+      /* This is defined in stdlib.h on MS-Windows.  It's defined in
+	 unisted.h on some POSIX hosts, but not all (Bug#10155).  */
+      extern char **environ;
+#endif
       int i;
       for (i = 0; environ[i]; i++)
         {