setup.py: Add 'mercurial' as include dir for the inotify compiler.
This patch adds access to util.h for the inotify C module by adding the
"mercurial" directory as an include dir, enabling access to the macros defined
in util.h.
#!/bin/sh
"$TESTDIR/hghave" execbit || exit 80
hg init
echo a > a
hg ci -Am'not executable'
chmod +x a
hg ci -m'executable'
hg id
echo '% make sure we notice the change of mode if the cached size == -1'
hg rm a
hg revert -r 0 a
hg debugstate
hg st
hg up 0
hg id
test -x a && echo executable -- eek || echo not executable -- whew