XSB Src (SVN)-old

Brought to you by: carlandersen, dwarren, evansbj, kifer, and 3 others

Commit [r7772] Maximize Restore History

Added once/1 for call to po test predicate, in case it might return

success multiple times (which causes a segfault.)

Authored by: dwarren 2013-05-14

Parent: [r7771]

changed	/trunk/XSB/cmplib/cp_opt.P
changed	/trunk/XSB/cmplib/cp_opt.xwam

Binary file was changed.