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-rw-r--r--lib/networking/dnserver.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/networking/dnserver.c b/lib/networking/dnserver.c
index 6d15fee02..25bbf4875 100644
--- a/lib/networking/dnserver.c
+++ b/lib/networking/dnserver.c
@@ -192,7 +192,7 @@ err_t dnserv_init(const ip_addr_t *bind, uint16_t port, dns_query_proc_t qp)
return ERR_OK;
}
-void dnserv_free()
+void dnserv_free(void)
{
if (pcb == NULL) return;
udp_remove(pcb);