Fixed bug about class 'Wizin_Filter_Pictogram' not exists when 'WIZIN_PEAR_DIR' was not set in include_path.
Fixed bug about class 'Wizin_Filter_Pictogram' not exists when 'WIZIN_PEAR_DIR' was not set in include_path.

git-svn-id: 2f380ba62ca40690748cf05847cd268d15130184@242 fd31610b-4be5-dc11-a523-00018064d71f

gusagi/wizin-xoops