http://bugs.gentoo.org/323511

--- server/os/connection.c
+++ server/os/connection.c
@@ -75,9 +75,9 @@ SOFTWARE.
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <netinet/in.h>
-#include <arpa/inet.h>
 #include <netdb.h>
 #endif
+#include <arpa/inet.h>