Merge branch 'jk/pack-bitmap' into maint

The pack bitmap support did not build with older versions of GCC. * jk/pack-bitmap: ewah: fix building with gcc < 3.4.0

Junio C Hamano committed Mar 5, 2015 at 13:13 UTC abfed73ce8890db85e1a5851b4678321b0d1e8cc

No changes.