Maciej S. Szmigiero authored Oct 08, 2019 and Romain Bouvier committed May 01, 2020

The memory pointed by "cmd" variable is allocated by g_strdup_printf()
for ssh-agent command line, then this variable is overwritten to point
to dbus-update-activation-environment command line without freeing the
memory it previously pointed to.
Let's add the missing g_free() call to avoid a memory leak.