bpo-27961: Replace PY_LONG_LONG with long long. (GH-15386)

diff --git a/Tools/clinic/clinic.py b/Tools/clinic/clinic.py
index c5edc7c..403d8a4 100755
--- a/Tools/clinic/clinic.py
+++ b/Tools/clinic/clinic.py
@@ -3016,7 +3016,7 @@
                     goto exit;
                 }}}}
                 {paramname} = PyLong_AsLongLong({argname});
-                if ({paramname} == (PY_LONG_LONG)-1 && PyErr_Occurred()) {{{{
+                if ({paramname} == -1 && PyErr_Occurred()) {{{{
                     goto exit;
                 }}}}
                 """.format(argname=argname, paramname=self.name)