Description of problem:
English version appears even when specifing LANG.

Version-Release number of selected component (if applicable):
Filed from caserun (http://download.englab.bne.redhat.com/pub/rhel/rel-eng/RHEL-7.0-20131127.1/compose/Client/x86_64/os/)
ekiga-4.0.1-1.2.el7.x86_64

How reproducible:
Always

Steps to Reproduce:
1.[nmizumoto@localhost ~]$ ekiga
2.
3.

Actual results:
[nmizumoto@localhost ~]$ ekiga

(process:16740): Gtk-WARNING **: Locale not supported by C library.
	Using the fallback 'C' locale.
^C強制終了
[nmizumoto@localhost ~]$ LANG=ja-JP.UTF-8 gnome-control-center

(gnome-control-center:16772): Gtk-WARNING **: Locale not supported by C library.
	Using the fallback 'C' locale.

(gnome-control-center:16772): Clutter-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
[nmizumoto@localhost ~]$ LANG=ja-JP.UTF-8 ekiga

(process:16783): Gtk-WARNING **: Locale not supported by C library.
	Using the fallback 'C' locale.
^C強制終了


Expected results:
Localized version appears.

Additional info: