upload: Don't try to write an empty string into the temporary IGC file
upload: Don't try to write an empty string into the temporary IGC file

snip/skylines,shadowoneau/skylines,Turbo87/skylines,Harry-R/skylines,Harry-R/skylines,snip/skylines,TobiasLohner/SkyLines,shadowoneau/skylines,RBE-Avionik/skylines,skylines-project/skylines,snip/skylines,skylines-project/skylines,Harry-R/skylines,Turbo87/skylines,dkm/skylines,shadowoneau/skylines,skylines-project/skylines,shadowoneau/skylines,kerel-fs/skylines,RBE-Avionik/skylines,Turbo87/skylines,dkm/skylines,skylines-project/skylines,dkm/skylines,dkm/skylines,kerel-fs/skylines,RBE-Avionik/skylines,Harry-R/skylines,RBE-Avionik/skylines,kerel-fs/skylines,TobiasLohner/SkyLines,Turbo87/skylines,TobiasLohner/SkyLines