This reverts r63675 based on the discussion in this thread:

 http://mail.python.org/pipermail/python-dev/2008-June/079988.html

Python 2.6 should stick with PyString_* in its codebase.  The PyBytes_* names
in the spirit of 3.0 are available via a #define only.  See the email thread.
diff --git a/PC/msvcrtmodule.c b/PC/msvcrtmodule.c
index 757d85e..e110ed8 100755
--- a/PC/msvcrtmodule.c
+++ b/PC/msvcrtmodule.c
@@ -140,7 +140,7 @@
 	ch = _getch();
 	Py_END_ALLOW_THREADS
 	s[0] = ch;
-	return PyBytes_FromStringAndSize(s, 1);
+	return PyString_FromStringAndSize(s, 1);
 }
 
 static PyObject *
@@ -172,7 +172,7 @@
 	ch = _getche();
 	Py_END_ALLOW_THREADS
 	s[0] = ch;
-	return PyBytes_FromStringAndSize(s, 1);
+	return PyString_FromStringAndSize(s, 1);
 }
 
 static PyObject *