Define _GNU_SOURCE properly, other header fixes

This lets -std=c89 build for gcc 8.4.0

1 files changed, 0 insertions, 1 deletions

diff --git a/svr-auth.c b/svr-auth.c
index 443de20..05ac6a9 100644
--- a/svr-auth.c
+++ b/svr-auth.c
@@ -25,7 +25,6 @@
 /* This file (auth.c) handles authentication requests, passing it to the
  * particular type (auth-passwd, auth-pubkey). */
 
-#include <limits.h>
 
 #include "includes.h"
 #include "dbutil.h"