unserialize() with an empty string returns FALSE without warning
unserialize() with an empty string returns FALSE without warning

Originally checked in by DEVSENSE\Jakub on 2013-01-18 17:43:50.917 as Changeset 3919

git-tfs-id: [https://devsense.visualstudio.com/DefaultCollection]$/Phalanger/Main;C6925

diddledan/Phalanger,diddledan/Phalanger,kendallb/Phalanger,kendallb/Phalanger,DEVSENSE/Phalanger,diddledan/Phalanger,kendallb/Phalanger,DEVSENSE/Phalanger,kendallb/Phalanger,diddledan/Phalanger,DEVSENSE/Phalanger,DEVSENSE/Phalanger,kendallb/Phalanger,diddledan/Phalanger,DEVSENSE/Phalanger,DEVSENSE/Phalanger,kendallb/Phalanger