tests/test-revert-flags.t

parsers: correct type of temporary variables for dirstate tuple fields

These fields are defined as int. This eliminates the following warning
spotted by CC=clang CFLAGS='-Wall -Wextra -Wno-missing-field-initializers
-Wno-unused-parameter -Wshorten-64-to-32':

  mercurial/parsers.c:625:29: warning: comparison of integers of different
  signs: 'uint32_t' (aka 'unsigned int') and 'int' [-Wsign-compare]
                  if (state == 'n' && mtime == now) {

#require execbit

  $ hg init repo
  $ cd repo
  $ echo foo > foo
  $ chmod 644 foo
  $ hg ci -qAm '644'

  $ chmod 755 foo
  $ hg ci -qAm '755'

reverting to rev 0

  $ hg revert -a -r 0
  reverting foo
  $ hg st
  M foo
  $ hg diff --git
  diff --git a/foo b/foo
  old mode 100755
  new mode 100644

  $ cd ..