listbox.go undefined constants

[axgle]

C:\Users\sony>go get github.com/lxn/walk
C:\Go\src\pkg\github.com\lxn\walk\listbox.go:39: undefined: LBS_STANDARD
C:\Go\src\pkg\github.com\lxn\walk\listbox.go:82: undefined: LB_ERRSPACE
C:\Go\src\pkg\github.com\lxn\walk\listbox.go:82: undefined: LB_ERR
C:\Go\src\pkg\github.com\lxn\walk\listbox.go:232: undefined: LB_ERR

[lxn]

Please try "go get -u github.com/lxn/walk", so both walk and go-winapi will get updated to the latest version.

[axgle]

OK,works well now!~