gcc7 fixes: make fallthrough explicit

diff --git a/librb/src/openssl.c b/librb/src/openssl.c
index 5fc960c54d2c3e8965e84f10481dbfaaaf840486..b01aa5df80dcbbea78b4a82b15166742ec8e2df7 100644 (file)
--- a/librb/src/openssl.c
+++ b/librb/src/openssl.c
@@ -542,6 +542,7 @@ rb_get_ssl_certfp(rb_fde_t *const F, uint8_t certfp[const RB_SSL_CERTFP_LEN], co
        case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
        case X509_V_ERR_CERT_UNTRUSTED:
                len = make_certfp(peer_cert, certfp, method);
+               // fallthrough
        default:
                X509_free(peer_cert);
                return len;