Re: [PATCH] gconfig: avoid use of hard coded colors for rows

[Ebrahim Byagowi <ebrahim@gnu.org>]

Not an important thing of course just that I was unable to
use gconfig on my system with a theme dark is set like [1]
and this turns it into [2] without noticable change to the
light theme.

I had hit this minor issue also in the past but decided to
fix it this time.

This isn't the best possible approach as now we have we have
a GdkColor -> gchar * -> GdkColor round trip, yet wanted to
keep the change small and maybe go for a larger change later
if it worths it.

Hope you find it useful also.

  [1]: https://i.imgur.com/MJfIkup.png
  [2]: https://i.imgur.com/lgvod9V.png