sys/sysctl.h is only used on OpenBSD

so change the preprocessor test used to include it to check
__OpenBSD__, matching the code that uses the symbols it declares.

1 files changed, 1 insertions, 1 deletions

diff --git a/servconf.c b/servconf.c
index 7e422ec8..ce5572db 100644
--- a/servconf.c
+++ b/servconf.c
@@ -15,7 +15,7 @@
 
 #include <sys/types.h>
 #include <sys/socket.h>
-#ifdef HAVE_SYS_SYSCTL_H
+#ifdef __OpenBSD__
 #include <sys/sysctl.h>
 #endif