`lbl_assert_have_varlbl` is not a recognized command

[arthur-shaw]

Steps to replicate

* install from dev
local tag "dev"
net install labeller,  from("https://raw.githubusercontent.com/lsms-worldbank/labeller/`tag'/src") replace force

* try to run
gen v1 = .
lbl_assert_have_varlbl, varlist(*)

Get this error message

. lbl_assert_have_varlbl, varlist(*)
command lbl_assert_have_varlbl is unrecognized
r(199);

A (beta-tester) colleague encountered this:

This is a blind guess, but this command is the only one whose ado file has a different name than the command itself.

[kbjarkefur]

Done in fe8a1f19900dea41944ce47309f70da68f2e98e3