fix failing unit test (TraceDataTests)
fix failing unit test (TraceDataTests)

Failed in my culture because of the string,.format. (wrong case).

3.14.ToString("nl-nl") == 3,14 (comma)

RichiCoder1/NLog,ie-zero/NLog,bjornbouetsmith/NLog,BrandonLegault/NLog,tohosnet/NLog,czema/NLog,michaeljbaird/NLog,czema/NLog,zbrad/NLog,bryjamus/NLog,FeodorFitsner/NLog,tetrodoxin/NLog,kevindaub/NLog,ArsenShnurkov/NLog,campbeb/NLog,tohosnet/NLog,AndreGleichner/NLog,zbrad/NLog,thomkinson/NLog,ArsenShnurkov/NLog,littlesmilelove/NLog,RRUZ/NLog,thomkinson/NLog,rajeshgande/NLog,hubo0831/NLog,tmusico/NLog,snakefoot/NLog,bhaeussermann/NLog,BrandonLegault/NLog,BrandonLegault/NLog,MoaidHathot/NLog,ajayanandgit/NLog,ie-zero/NLog,MoaidHathot/NLog,michaeljbaird/NLog,vladikk/NLog,rajeshgande/NLog,vbfox/NLog,ilya-g/NLog,luigiberrettini/NLog,thomkinson/NLog,tetrodoxin/NLog,matteobruni/NLog,bhaeussermann/NLog,bjornbouetsmith/NLog,babymechanic/NLog,nazim9214/NLog,breyed/NLog,pwelter34/NLog,Niklas-Peter/NLog,RRUZ/NLog,fringebits/NLog,littlesmilelove/NLog,BrandonLegault/NLog,babymechanic/NLog,hubo0831/NLog,vbfox/NLog,BrutalCode/NLog,luigiberrettini/NLog,czema/NLog,bryjamus/NLog,thomkinson/NLog,FeodorFitsner/NLog,fringebits/NLog,campbeb/NLog,ilya-g/NLog,vladikk/NLog,matteobruni/NLog,breyed/NLog,MartinTherriault/NLog,kevindaub/NLog,vladikk/NLog,vladikk/NLog,AndreGleichner/NLog,NLog/NLog,BrutalCode/NLog,304NotModified/NLog,RichiCoder1/NLog,ajayanandgit/NLog,tmusico/NLog,czema/NLog,pwelter34/NLog,UgurAldanmaz/NLog,UgurAldanmaz/NLog,sean-gilliam/NLog,fringebits/NLog,fringebits/NLog,Niklas-Peter/NLog,nazim9214/NLog,MartinTherriault/NLog