File sshguard-gcc5.patch of Package sshguard

diff -ru sshguard-1.6.3.orig/src/sshguard_whitelist.c sshguard-1.6.3/src/sshguard_whitelist.c
--- sshguard-1.6.3.orig/src/sshguard_whitelist.c	2016-02-18 10:54:51.752229898 +0100
+++ sshguard-1.6.3/src/sshguard_whitelist.c	2016-02-18 11:00:02.760786847 +0100
@@ -18,6 +18,7 @@
  * SSHGuard. See http://www.sshguard.net
  */
 
+#define _GNU_SOURCE
 #include <arpa/inet.h>
 #include <assert.h>
 #include <netdb.h>