Fix for null culture at startup.
Fix for null culture at startup.

AnnaKutou/KanColleViewer,heartfelt-fancy/KanColleViewer,Yuubari/LegacyKCV,bllue78/KanColleViewer,gakada/KanColleViewer,Zharay/KanColleViewer,kookxiang/KanColleViewer,KCV-Localisation/KanColleViewer,yuyuvn/KanColleViewer,BossaGroove/KanColleViewer,gakada/KanColleViewer,KatoriKai/KanColleViewer,Astrologers/KanColleViewer,gakada/KanColleViewer