Icons on Windows not loading

[caseypugh]

Console shows:

ERROR systray: systray_windows.go:876 Unable to load icon from temp file: The operation completed successfully. [error=Unable to load icon from temp file: %v error_location=github.com/getlantern/systray.(*MenuItem).SetIcon (systray_windows.go:876) error_op= error_text=Unable to load icon from temp file: The operation completed successfully. error_type=errors.Error]
ERROR systray: systray_windows.go:876   at github.com/getlantern/systray.(*MenuItem).SetIcon (systray_windows.go:876)
ERROR systray: systray_windows.go:876   at main.setStatus (config.go:135)
ERROR systray: systray_windows.go:876   at main.(*config).UpdateView (config.go:83)
ERROR systray: systray_windows.go:876   at main.onReady.func1 (main.go:115)
ERROR systray: systray_windows.go:876   at runtime.goexit (asm_amd64.s:1371)
ERROR systray: systray_windows.go:876 Caused by: The operation completed successfully.