[PATCH 1 of 6] dirs: use PyVarObject_HEAD_INIT

[Gregory Szorc]

# HG changeset patch
# User Gregory Szorc <gregory.sz...@gmail.com>
# Date 1476357254 -7200
#      Thu Oct 13 13:14:14 2016 +0200
# Node ID 1f30bcebd4bdc26602ec4e9ae924f101c7642594
# Parent  c0410814002f467c24ef07ce73850ba15b306f8e
dirs: use PyVarObject_HEAD_INIT

This makes a compiler warning go away on Python 3.

diff --git a/mercurial/dirs.c b/mercurial/dirs.c
--- a/mercurial/dirs.c
+++ b/mercurial/dirs.c
@@ -288,9 +288,9 @@ static PyMethodDef dirs_methods[] = {
        {"delpath", (PyCFunction)dirs_delpath, METH_VARARGS, "remove a path"},
        {NULL} /* Sentinel */
 };
 
-static PyTypeObject dirsType = { PyObject_HEAD_INIT(NULL) };
+static PyTypeObject dirsType = { PyVarObject_HEAD_INIT(NULL, 0) };
 
 void dirs_module_init(PyObject *mod)
 {
        dirs_sequence_methods.sq_contains = (objobjproc)dirs_contains;
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