Bug 887: fix CompressedStorage::reallocate wrt memory leaks
Bug 887: fix CompressedStorage::reallocate wrt memory leaks

rotorliu/eigen,mjbshaw/Eigen,madlib/eigen_backup,rotorliu/eigen,rotorliu/eigen,mjbshaw/Eigen,madlib/eigen_backup,mjbshaw/Eigen,rotorliu/eigen,madlib/eigen_backup,mjbshaw/Eigen,madlib/eigen_backup