Fix allLayouts is null
Fix allLayouts is null

Fix allLayouts is null after init. Auto fix this instead of exception.

bhaeussermann/NLog,snakefoot/NLog,sean-gilliam/NLog,NLog/NLog,MartinTherriault/NLog,littlesmilelove/NLog,hubo0831/NLog,UgurAldanmaz/NLog,AndreGleichner/NLog,littlesmilelove/NLog,AndreGleichner/NLog,kevindaub/NLog,MartinTherriault/NLog,ie-zero/NLog,luigiberrettini/NLog,tetrodoxin/NLog,304NotModified/NLog,bjornbouetsmith/NLog,ie-zero/NLog,nazim9214/NLog,luigiberrettini/NLog,bhaeussermann/NLog,bjornbouetsmith/NLog,BrutalCode/NLog,nazim9214/NLog,tetrodoxin/NLog,kevindaub/NLog,hubo0831/NLog,BrutalCode/NLog,UgurAldanmaz/NLog