[FIX] tracker filtering by not(value) was improperly excluding items where fields had no values, i.e. NULL ones
[FIX] tracker filtering by not(value) was improperly excluding items where fields had no values, i.e. NULL ones

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@61423 b456876b-0849-0410-b77d-98878d47e9d5

oregional/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,oregional/tiki,tikiorg/tiki