[VkBridge] Correct post date calculating (#1417)
[VkBridge] Correct post date calculating (#1417)

* [VkBridge] Correct post date calculating

Before this commit, post dates from december past year were
calculated as december current year.


RSS-Bridge/rss-bridge,Frenzie/rss-bridge,ORelio/rss-bridge,kranack/rss-bridge,kranack/rss-bridge,ORelio/rss-bridge,kranack/rss-bridge,Riduidel/rss-bridge,Frenzie/rss-bridge,kranack/rss-bridge,RSS-Bridge/rss-bridge,Riduidel/rss-bridge,ORelio/rss-bridge,sebsauvage/rss-bridge,Riduidel/rss-bridge,RSS-Bridge/rss-bridge