Failure in Thunderbird 18 after core bug 723362 – Make an asynchronous variant of nsCacheEntryDescriptor::Doom

[wsmwk]

TB18 daily starting 2012-08-19 (or 08-20) with bugmail 1.6.1 fails after picking up core bug 723362 – Make an asynchronous variant of nsCacheEntryDescriptor::Doom

Error: NS_ERROR_NOT_AVAILABLE: Component returned failure code: 0x80040111 (NS_ERROR_NOT_AVAILABLE) [nsICacheSession.openCacheEntry]
Source File: chrome://bugmail/content/overlay.js
Line: 65

64 var cacheSession = cacheService.createSession("bugmail", CI.nsICache.STORE_IN_MEMORY, true);
65 var entry = cacheSession.openCacheEntry(uri, CI.nsICache.ACCESS_WRITE, true);

[mozfreddyb]

Did #4 fixed this, or is something messing? Not sure because this issue has not been been closed?