Add __future__ import for print_function. It's a no-op in 3.0, but it needs to not be a syntax error.
Closes issue 2436.
diff --git a/Include/compile.h b/Include/compile.h
index 2bde6fb..391c710 100644
--- a/Include/compile.h
+++ b/Include/compile.h
@@ -24,6 +24,7 @@
#define FUTURE_DIVISION "division"
#define FUTURE_ABSOLUTE_IMPORT "absolute_import"
#define FUTURE_WITH_STATEMENT "with_statement"
+#define FUTURE_PRINT_FUNCTION "print_function"
struct _mod; /* Declare the existence of this type */
PyAPI_FUNC(PyCodeObject *) PyAST_Compile(struct _mod *, const char *,