reset package to avoid ORA-0406* errors

This is to fix the following upgrade error:

begin
*
ERROR at line 1:
ORA-04068: existing state of packages has been discarded
ORA-04061: existing state of package body "LOGGING" has been invalidated
ORA-04065: not executed, altered or dropped package body "LOGGING"
ORA-06508: PL/SQL: could not find program unit being called: "LOGGING"
ORA-06512: at line 2
Automatic commit of package [spacewalk-schema] release [2.2.17-1].