Fix use of logging_vty_add_cmds(void) API function.

This function never accepted any arguments.  However, a sloppy
declaration in the header file as logging_vty_add_cmds() allowed
to pass any number of any type arguments until recently.

Change-Id: Icdbe2f253c9e17ff82bd3b1dc3d4fbea4ad6f333
1 file changed