util.datamanager: Unreference file handle after closing it to prevent trying to close it again (fixes #632)
--- a/util/datamanager.lua Wed Jan 27 13:05:58 2016 +0000
+++ b/util/datamanager.lua Thu Feb 25 22:36:42 2016 +0100
@@ -152,6 +152,7 @@
if not ok then break end
ok, msg = f:close();
+ f = nil; -- no longer valid
if not ok then break end
return os_rename(scratch, filename);