tcp_transport/test: Fix localhost interface name
Per lwip spec it's two letter's name plus index, i.e. "lo0"
(the reason "lo" was accepted before was bug in lwip)
struct ifreq ifr; \
ifr.ifr_name[0] = 'l'; \
ifr.ifr_name[1] = 'o'; \
- ifr.ifr_name[2] = '\0';
+ ifr.ifr_name[2] = '0'; \
+ ifr.ifr_name[3] = '\0';
static void tcp_transport_keepalive_test(esp_transport_handle_t transport_under_test, bool async, esp_transport_keep_alive_t *config)
