qemuMonitorFdsetsFree: Don't leak @set->fds

The @fds member of qemuMonitorFdsetInfo struct is an array and as
such, it's allocated in qemuMonitorJSONQueryFdsetsParse() but not
freed in qemuMonitorFdsetsFree().

Fixes: b8998cc670
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

src/qemu/qemu_monitor.c

@@ -2708,6 +2708,8 @@ void qemuMonitorFdsetsFree(qemuMonitorFdsetsPtr fdsets)
 
         for (j = 0; j < set->nfds; j++)
             g_free(set->fds[j].opaque);
+
+        g_free(set->fds);
     }
     g_free(fdsets->fdsets);
     g_free(fdsets);