protect from double inclusion with #ifndef directives

diff --git a/src/forward.h b/src/forward.h
index 45821cc01bfd7144a964c553bd4972ab8b3f924b..12866d02967848a330daf13195e1ee85dad1592b 100644 (file)
--- a/src/forward.h
+++ b/src/forward.h
@@ -1,3 +1,5 @@
+#ifndef SQUID_FORWARD_H
+#define SQUID_FORWARD_H
 
 class FwdServer
 {
@@ -88,3 +90,5 @@ unsigned int ftp_pasv_failed:
     flags;
 
 };
+
+#endif