journal-remote: destroy RemoteServer object by using _cleanup_ attribute

src/journal-remote/journal-remote-main.c

@@ -1062,7 +1062,7 @@ static int load_certificates(char **key, char **cert, char **trust) {
 }
 
 int main(int argc, char **argv) {
-        RemoteServer s = {};
+        _cleanup_(journal_remote_server_destroy) RemoteServer s = {};
         int r;
         _cleanup_free_ char *key = NULL, *cert = NULL, *trust = NULL;
 
@@ -1126,8 +1126,6 @@ int main(int argc, char **argv) {
                    "STATUS=Shutting down after writing %" PRIu64 " entries...", s.event_count);
         log_info("Finishing after writing %" PRIu64 " entries", s.event_count);
 
-        journal_remote_server_destroy(&s);
-
         free(arg_key);
         free(arg_cert);
         free(arg_trust);

src/journal-remote/journal-remote.c

@@ -346,7 +346,7 @@ static void MHDDaemonWrapper_free(MHDDaemonWrapper *d) {
 }
 #endif
 
-RemoteServer* journal_remote_server_destroy(RemoteServer *s) {
+void journal_remote_server_destroy(RemoteServer *s) {
         size_t i;
 
 #if HAVE_MICROHTTPD
@@ -370,7 +370,6 @@ RemoteServer* journal_remote_server_destroy(RemoteServer *s) {
                 journal_remote_server_global = NULL;
 
         /* fds that we're listening on remain open... */
-        return NULL;
 }
 
 /**********************************************************************

src/journal-remote/journal-remote.h

@@ -62,4 +62,4 @@ int journal_remote_handle_raw_source(
                 uint32_t revents,
                 RemoteServer *s);
 
-RemoteServer* journal_remote_server_destroy(RemoteServer *s);
+void journal_remote_server_destroy(RemoteServer *s);