Gary Maxwell filed bug report #1856628

(http://curl.haxx.se/bug/view.cgi?id=1856628) and provided a fix for the
(small) memory leak in the SSL session ID caching code. It happened when a
previous entry in the cache was re-used.

lib/sslgen.c

@@ -384,6 +384,9 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
   store->sessionid = ssl_sessionid;
   store->idsize = idsize;
   store->age = data->state.sessionage;    /* set current age */
+  if (store->name)
+    /* free it if there's one already present */
+    free(store->name)
   store->name = clone_host;               /* clone host name */
   store->remote_port = conn->remote_port; /* port number */