catacomb.c: Use a less awful version comparison.

diff --git a/catacomb.c b/catacomb.c
index bf68727..b54227f 100644 (file)
--- a/catacomb.c
+++ b/catacomb.c
@@ -158,7 +158,7 @@ static PyMethodDef methods[] = {
 
 static void init_random(void)
 {
-#if PY_MAJOR_VERSION >= 3 || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION >= 6)
+#if PY_VERSION_HEX >= 0x02060000
   char *seed;
   uint32 r;