Fix refleak if from __future__ import was not first
diff --git a/Python/compile.c b/Python/compile.c
index 45fc369..7abc117 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -2529,6 +2529,7 @@
 	if (s->lineno > c->c_future->ff_lineno) {
 		if (!strcmp(PyString_AS_STRING(s->v.ImportFrom.module),
 			    "__future__")) {
+			Py_DECREF(level);
 			Py_DECREF(names);
 			return compiler_error(c, 
 				      "from __future__ imports must occur "