Try to fix compilation of Python-ast.c on Visual Studio 2008
diff --git a/Python/Python-ast.c b/Python/Python-ast.c
index cf73bea..1178d74 100644
--- a/Python/Python-ast.c
+++ b/Python/Python-ast.c
@@ -456,7 +456,7 @@
 
 
 typedef struct {
-    PyObject_HEAD;
+    PyObject_HEAD
     PyObject *dict;
 } AST_object;