Fix sys.flags sequence behavior and add a test case.
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index de2e91d..aebae62 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1150,9 +1150,9 @@
 	flags__doc__,	/* doc */
 	flags_fields,	/* fields */
 #ifdef RISCOS
-	11
+	12
 #else
-	10
+	11
 #endif
 };