change args of cmd eta-pkg init to allow windows paths with spaces
change args of cmd eta-pkg init to allow windows paths with spaces

pparkkin/eta,alexander-at-github/eta,rahulmutt/ghcvm,pparkkin/eta,AlexeyRaga/eta,pparkkin/eta,pparkkin/eta,rahulmutt/ghcvm,alexander-at-github/eta,AlexeyRaga/eta,rahulmutt/ghcvm,alexander-at-github/eta,rahulmutt/ghcvm,AlexeyRaga/eta,AlexeyRaga/eta,alexander-at-github/eta,AlexeyRaga/eta,alexander-at-github/eta,pparkkin/eta,rahulmutt/ghcvm