Mark broken everywhere, upstream bug (already reported).
To avoid PORTEPOCH/rollback-and-forth-again, let's give upstream a few
days for a fix before rolling back to 1.42.10.

Added a comment to Makefile:

1. Regression that apparently causes use-after-free in·
2. http://git.kernel.org/cgit/fs/ext2/e2fsprogs.git/commit/?h=maint&id=47fee2ef6a23ae06f680336ffde57caa64604a4c
3. and can be reproduced under MALLOC_OPTIONS=J regime on 9.3-amd64, or
4. alternatively confirmed with valgrind, was reported upstream. #
5. Let's wait until 2014-10-15 whether upstream provides a fix,
6. else we'll bump PORTEPOCH and roll back to 1.42.10;
7. 1.42.11 is also faulty.