* defs.h, utils.c (free_current_contents): Change parameter to

* defs.h, utils.c (free_current_contents): Change parameter to
void*.

From Philippe De Muyter  <phdm@macqel.be>:
* printcmd.c (print_address_symbolic): Call `make_cleanup' with
`(free_current_contents, &x)', not `(free, x)'.
* utils.c (free_current_contents): Do not `free (NULL)'.

* printcmd.c (print_address_symbolic): Cleanup after a failed
call to build_address_symbolic.