Fixed warnings in ETA.Main.SysTools
Fixed warnings in ETA.Main.SysTools

rahulmutt/ghcvm,rahulmutt/ghcvm,AlexeyRaga/eta,AlexeyRaga/eta,rahulmutt/ghcvm,pparkkin/eta,AlexeyRaga/eta,pparkkin/eta,pparkkin/eta,rahulmutt/ghcvm,rahulmutt/ghcvm,AlexeyRaga/eta,pparkkin/eta,pparkkin/eta,AlexeyRaga/eta