Description of problem:
Some of gnome English words remanin ubtranslated for 'es_ES' language.  Sample output is shown below, 

Version-Release number of selected component (if applicable):
[root@fsharath-rhel63server ~]# rpm -q subscription-manager
subscription-manager-0.99.19-1.el6.x86_64

How reproducible:

[root@fsharath-rhel63server ~]# msgunfmt --no-wrap /usr/share/locale/es_ES/LC_MESSAGES/rhsm.mo -o /usr/share/locale/es_ES/LC_MESSAGES/rhsm.po
[root@fsharath-rhel63server ~]# pofilter --gnome -t unchanged /usr/share/locale/es_ES/LC_MESSAGES/rhsm.po
processing 1 files...
msgid ""
msgstr ""
"Project-Id-Version: es\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2012-05-16 08:40-0400\n"
"PO-Revision-Date: 2012-04-10 08:44-0400\n"
"Last-Translator: gguerrer <gguerrer>\n"
"Language-Team: Spanish <en>\n"
"Language: es-ES\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=2; plural=(n != 1)\n"
"X-Generator: Zanata 1.5.0\n"

# (pofilter) unchanged: Consider translating
msgid "%s: error: %s"
msgstr "%s: error: %s"

# (pofilter) unchanged: Consider translating
msgid "No"
msgstr "No"

Actual results:
Shown above

Expected results:

> english words not translated to it's respective native language.

Additional info:

http://translate.sourceforge.net/wiki/toolkit/pofilter_tests#unchanged