umdns: fix unused error

Umdns does not compile on target-arm_cortex-a15+neon-vfpv4_musl_eabi.
Add the ttl variable to debug output to supress unused warning that
leads to an error.

Signed-off-by: Nick Hainke <vincent@systemli.org>

diff --git a/interface.c b/interface.c
index 9c5b048a008cb82fee130381fb019d2520f0a2c7..d3f2ad34220105a190b26cd3d559785b1f23fc9e 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -244,6 +244,7 @@ read_socket4(struct uloop_fd *u, unsigned int events)
                fprintf(stderr, "  dst %s\n", buf);
                inet_ntop(AF_INET, &inp->ipi_addr, buf, 256);
                fprintf(stderr, "  real %s\n", buf);
+               fprintf(stderr, "  ttl %u\n", ttl);
        }
 
        if (inp->ipi_ifindex != iface->ifindex)
@@ -316,6 +317,7 @@ read_socket6(struct uloop_fd *u, unsigned int events)
                fprintf(stderr, "  src %s:%d\n", buf, ntohs(from.sin6_port));
                inet_ntop(AF_INET6, &inp->ipi6_addr, buf, 256);
                fprintf(stderr, "  dst %s\n", buf);
+               fprintf(stderr, "  ttl %u\n", ttl);
        }
 
        if (inp->ipi6_ifindex != iface->ifindex)