libext2fs: fix possible memory leak in write_journal_inode()

ext2fs_zero_block2() allocates static buffer if needed so it
should be freed at last (call it again with 0 args).

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
1 file changed