Merge branch 'maint'

Merge branch 'maint'

* maint:
  Another memory overrun in http-push.c
  fetch.o depends on the headers, too.
  Documentation: Correct minor typo in git-add documentation.
  Documentation/git-send-email.txt: Fix labeled list formatting
  Documentation/git-quiltimport.txt: Fix labeled list formatting
  Documentation/build-docdep.perl: Fix dependencies for included asciidoc files