[bug#30629] [PATCH 4/5] system: Add 'initrd-modules' field.

[Danny Milosavljevic]

> --- a/gnu/system.scm
> +++ b/gnu/system.scm
> @@ -74,6 +74,7 @@
>              operating-system-kernel
>              operating-system-kernel-file
>              operating-system-kernel-arguments
> +            operating-system-initrd-modules
>              operating-system-initrd
>              operating-system-users
>              operating-system-groups
> @@ -152,8 +153,13 @@ booted from ROOT-DEVICE"
>                      (default '()))                ; list of gexps/strings
>    (bootloader operating-system-bootloader)        ; 
> <bootloader-configuration>
>  
> +

Nitpick: Another empty line ? :)

Otherwise LGTM!