Merge branch 'jc/symbol-static'

* jc/symbol-static:
  date.c: mark file-local function static
  Replace parse_blob() with an explanatory comment
  symlinks.c: remove unused functions
  object.c: remove unused functions
  strbuf.c: remove unused function
  sha1_file.c: remove unused function
  mailmap.c: remove unused function
  utf8.c: mark file-local function static
  submodule.c: mark file-local function static
  quote.c: mark file-local function static
  remote-curl.c: mark file-local function static
  read-cache.c: mark file-local functions static
  parse-options.c: mark file-local function static
  entry.c: mark file-local function static
  http.c: mark file-local functions static
  pretty.c: mark file-local function static
  builtin-rev-list.c: mark file-local function static
  bisect.c: mark file-local function static

diff --cc bisect.c
Simple merge

diff --cc cache.h
Simple merge

diff --cc entry.c
Simple merge

diff --cc git-compat-util.h
Simple merge

diff --cc parse-options.c
Simple merge

diff --cc parse-options.h
Simple merge

diff --cc read-cache.c
Simple merge

diff --cc remote-curl.c
Simple merge