Recent changes to gobui cause build failures

[origami-oswell]

The "gocui" project recently changed the method signature for "SetCurrentView".
jroimartin/gocui@463428a

# github.com/future-architect/vuls/report
report/tui.go:180: too many arguments to return
report/tui.go:184: too many arguments to return
report/tui.go:186: too many arguments to return
report/tui.go:188: too many arguments to return
report/tui.go:190: too many arguments to return
report/tui.go:196: too many arguments to return
report/tui.go:200: too many arguments to return
report/tui.go:202: too many arguments to return
report/tui.go:204: too many arguments to return
report/tui.go:206: too many arguments to return
report/tui.go:206: too many errors

Steps to reproduce the behaviour

Perform a clean clone and attempt a "go get" to pull in dependencies.