Added Log4JFilter structure zeroing out before freeing the memory to prevent accidental uses of a freed memory.
Added Log4JFilter structure zeroing out before freeing the memory to prevent accidental uses of a freed memory.

MaxKot/Log4JDash,MaxKot/Log4JDash,MaxKot/Log4JDash,MaxKot/Log4JDash,MaxKot/Log4JDash