Greek(el): build error gnome-devel-docs

[Jiro Matsuzawa <jmatsuzawa gnome org>]

Hi Greek translators,

Building Greek gnome-devel-docs failed.
Would you please check it?
Here is a jhbuild log:
-----------------------------------------
% jhbuild buildone -fc gnome-devel-docs
*** Checking out gnome-devel-docs *** [1/1]
git remote set-url origin git://git.gnome.org/gnome-devel-docs
(...snip...)
*** Building gnome-devel-docs *** [1/1]
(...snip...)
Making all in hig
make[1]: Entering directory `/opt/gnome/checkout/gnome-devel-docs/hig'
  GEN    de/de.mo
  GEN    de/
  GEN    el/el.mo
  GEN    el/
Error: Could not merge translations:
'NoneType' object has no attribute 'node'
make[1]: *** [el/el.stamp] Error 1
make[1]: Leaving directory `/opt/gnome/checkout/gnome-devel-docs/hig'
make: *** [all-recursive] Error 1
-----------------------------------------

Thanks in advance for your help.

-- 
Jiro Matsuzawa
E-mail:
 jmatsuzawa gnome org
 jmatsuzawa src gnome org
 matsuzawa jr gmail com
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