Change rare occurrences of #if HAVE_LONG_LONG to #ifdef.
diff --git a/Python/modsupport.c b/Python/modsupport.c
index 9344f4d..f86ca91 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -291,7 +291,7 @@
 		case 'l':
 			return PyInt_FromLong((long)va_arg(*p_va, long));
 
-#if HAVE_LONG_LONG
+#ifdef HAVE_LONG_LONG
 		case 'L':
 			return PyLong_FromLongLong((LONG_LONG)va_arg(*p_va, LONG_LONG));
 #endif