Description of problem:
Fail to run ((baobab:15023): Gtk-WARNING **)

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/)
baobab-3.8.2-1.el7.x86_64


How reproducible:
Always

Steps to Reproduce:
1. [root@localhost ~]# LANG=ja-JP.UTF-8 baobab  
2.
3.

Actual results:
[root@localhost ~]# LANG=ja-JP.UTF-8 baobab        

(baobab:15023): Gtk-WARNING **: Locale not supported by C library.
	Using the fallback 'C' locale.
No protocol specified

** (baobab:15023): WARNING **: Could not open X display
[root@localhost ~]# LANG=ja-JP.UTF-8 baobab -h

(baobab:15025): Gtk-WARNING **: Locale not supported by C library.
	Using the fallback 'C' locale.
Usage:
  baobab [OPTION...] - Disk Usage Analyzer

Help Options:
  -h, --help               Show help options
  --help-all               Show all help options
  --help-gtk               Show GTK+ Options

Application Options:
  -v, --version            Print version information and exit
  --display=DISPLAY        X display to use


Expected results:
No error

Additional info: