Fix segfault when storing large objects to lru cache
Fix segfault when storing large objects to lru cache

yahoo/mdbm,yahoo/mdbm,yahoo/mdbm,yahoo/mdbm,timrc-git/mdbm,timrc-git/mdbm,yahoo/mdbm,timrc-git/mdbm,timrc-git/mdbm,timrc-git/mdbm,yahoo/mdbm,timrc-git/mdbm,timrc-git/mdbm,yahoo/mdbm