Sync with github's ctxopt commit a1ac676

1 files changed, 11 insertions, 0 deletions

diff --git a/ctxopt.h b/ctxopt.h
index 6de78ab..0c184d5 100644
--- a/ctxopt.h
+++ b/ctxopt.h
@@ -1,3 +1,11 @@
+/* ########################################################### */
+/* This Software is licensed under the GPL licensed Version 2, */
+/* please read http://www.gnu.org/copyleft/gpl.html            */
+/* ########################################################### */
+
+#ifndef CTXOPT_H
+#define CTXOPT_H
+
 typedef enum
 {
   parameters,
@@ -27,6 +35,7 @@ typedef enum
   CTXOPTCTEARG,
   CTXOPTCTLARG,
   CTXOPTCTGARG,
+  CTXOPTUNXARG,
   CTXOPTERRSIZ
 } errors;
 
@@ -86,3 +95,5 @@ ctxopt_re_constraint(int nb_args, char ** args, char * value);
 
 int
 ctxopt_range_constraint(int nb_args, char ** args, char * value);
+
+#endif