Patch #1734014: Use _I64_MAX instead of LLONG_MAX.
Will backport to 2.5.
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index 4597db0..cc3c3dd 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -275,9 +275,9 @@
#define HAVE_LONG_LONG 1
#ifndef PY_LONG_LONG
# define PY_LONG_LONG __int64
-# define PY_LLONG_MAX LLONG_MAX
-# define PY_LLONG_MIN LLONG_MIN
-# define PY_ULLONG_MAX ULLONG_MAX
+# define PY_LLONG_MAX _I64_MAX
+# define PY_LLONG_MIN _I64_MIN
+# define PY_ULLONG_MAX _UI64_MAX
#endif
/* For Windows the Python core is in a DLL by default. Test