Merge branch 'master' of git://git.kernel.org/pub/scm/git/git

Merge branch 'master' of git://git./git/git

* 'master' of git://git.kernel.org/pub/scm/git/git: (87 commits)
  Start 1.7.5.1 maintenance track
  git-send-email: fix missing space in error message
  t/test-lib.sh: minor readability improvements
  diffcore-rename.c: avoid set-but-not-used warning
  Start 1.7.6 cycle
  Automatically autoload bashcompinit for ZSH, when needed
  http: clear POSTFIELDS when initializing a slot
  sparse: Fix some "symbol not declared" warnings
  sparse: Fix errors due to missing target-specific variables
  date: avoid "X years, 12 months" in relative dates
  format-patch: document --quiet option
  format-patch: don't pass on the --quiet flag
  --dirstat: In case of renames, use target filename instead of source filename
  config: support values longer than 1023 bytes
  strbuf: make sure buffer is zero-terminated
  Teach --dirstat not to completely ignore rearranged lines within a file
  sparse: Fix an "symbol 'merge_file' not decared" warning
  sparse: Fix an "symbol 'format_subject' not declared" warning
  sparse: Fix some "Using plain integer as NULL pointer" warnings
  sparse: Fix an "symbol 'cmd_index_pack' not declared" warning
  ...