[OE-core] [pyro][PATCH] staging: add missing import errno to staging_populate_sysroot_dir

[Marko, Peter]

> Fixes error "Exception: NameError: name 'errno' is not defined"
> during build-sysroots.bb:do_build_target_sysroot
>
> Signed-off-by: Marko, Peter <peter.marko at siemens.com>
> Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>

Sorry for this sign off, I was cherry picking instead of patching.
I can send v2 without it if it is a problem.

Peter

> ---
>  meta/classes/staging.bbclass | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/meta/classes/staging.bbclass b/meta/classes/staging.bbclass index a0b74a2..67f7b3d 100644
> --- a/meta/classes/staging.bbclass
> +++ b/meta/classes/staging.bbclass
> @@ -259,6 +259,7 @@ def staging_processfixme(fixme, target, recipesysroot, recipesysrootnative, d):
>  def staging_populate_sysroot_dir(targetsysroot, nativesysroot, native, d):
>      import glob
>      import subprocess
> +    import errno
>  
>      fixme = []
>      postinsts = []
> --
> 2.1.4