X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fipv6cp.h;h=172b6eb85794d6ba99475bb2012e787148c721aa;hb=607d8eadccfd62c1fa84a36bd1440bd48b4e55ca;hp=3ce9df422eb53f3afd542c80fc7c04723b335ccc;hpb=db3aa5f130886194d00a0c24db1e75261f9f9798;p=ppp.git

diff --git a/pppd/ipv6cp.h b/pppd/ipv6cp.h
index 3ce9df4..172b6eb 100644
--- a/pppd/ipv6cp.h
+++ b/pppd/ipv6cp.h
@@ -33,6 +33,10 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
  */
+
+#ifndef PPP_IPV6CP_H
+#define PPP_IPV6CP_H
+
 #include "pppdconf.h"
 
 /*  Original version, based on RFC2023 :
@@ -169,3 +173,5 @@ extern ipv6cp_options ipv6cp_allowoptions[];
 extern ipv6cp_options ipv6cp_hisoptions[];
 
 extern struct protent ipv6cp_protent;
+
+#endif