Comment 18 for bug 319480

(In reply to comment #10)
> (From update of attachment 383040 [details])
> ok, here's a free r-,
> // We intentionally leak |expr| here since it is required by PR_SetEnv.
> the code is already trying to leak, but it's trying to leak an nspr pointer. If
> you're going to do this, just fix SaveWordToEnv to do:
>

Yeah. SaveWordToEnv is already properly leaked. But not all places are using that func to set their env. This patch ensures that also the direct invocations to PR_SetEnv are getting leaked.