Update all header guards.

[tinc] / src / pidfile.h

diff --git a/src/pidfile.h b/src/pidfile.h
index 590a7bc..ed539e3 100644 (file)
--- a/src/pidfile.h
+++ b/src/pidfile.h
@@ -1,3 +1,6 @@
+#ifndef TINC_PIDFILE_H
+#define TINC_PIDFILE_H
+
 /*
     pidfile.h - interact with pidfiles
     Copyright (c) 1995  Martin Schulze <Martin.Schulze@Linux.DE>
@@ -50,3 +53,5 @@ extern pid_t write_pid (const char *pidfile);
  */
 extern int remove_pid (const char *pidfile);
 #endif
+
+#endif