md_jws_sign: initialize rv correctly
My logic added in didn't ensure that rv was initialized before
comparison in all code paths.
@@ -37,7 +37,7 @@ apr_status_t md_jws_sign(md_json_t **pmsg, apr_pool_t *p,
{
md_json_t *msg, *jprotected;
const char *prot64, *pay64, *sign64, *sign, *prot;
- apr_status_t rv;
+ apr_status_t rv = APR_SUCCESS;
*pmsg = NULL;
