make iface_name static

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/main.c b/main.c
index f07b9e67eba9d71e4d7ebf6730284ea82b3b7820..115bd2a018afcc33fcefff0f5c1460ca60b166df 100644 (file)
--- a/main.c
+++ b/main.c
@@ -38,7 +38,7 @@
 #include "announce.h"
 #include "interface.h"
 
-char *iface_name = "eth0";
+static char *iface_name = "eth0";
 
 int
 main(int argc, char **argv)