Try to fix compilation of Python-ast.c on Visual Studio 2008
diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
index 2f269f4..0be6c7f 100755
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -604,7 +604,7 @@
     def visitModule(self, mod):
         self.emit("""
 typedef struct {
-    PyObject_HEAD;
+    PyObject_HEAD
     PyObject *dict;
 } AST_object;