networkd: remove unused variable (#3447)

this patch solves the following waring:

../src/network/networkd-ndisc.c:197:13: warning: unused variable ‘r’
[-Wunused-variable]
         int r;

fixes acac5b2f

diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c
index 7359cc2..a0d4fa7 100644 (file)
--- a/src/network/networkd-ndisc.c
+++ b/src/network/networkd-ndisc.c
@@ -194,7 +194,6 @@ static void ndisc_router_handler(sd_ndisc *nd, uint8_t flags, const struct in6_a
 
 static void ndisc_handler(sd_ndisc *nd, int event, void *userdata) {
         Link *link = userdata;
-        int r;
 
         assert(link);