Fixed missing letter.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@1413 b35dd754-fafc-0310-a699-88a17e54d16e

src/i18n/messenger_i18n_en.properties

@@ -1330,7 +1330,7 @@ system.email.send_test=Send Test Email...
 
 system.emailtest.title=Email Settings
 system.emailtest.info=Use the form below to send a test message. By default, the senders email address will \
-		be tha of the admin user.
+		be that of the admin user.
 system.emailtest.no_host=Error, sending an email will fail because the mail server host is not set. Please \
         go back to the {0}mail settings page{1} and set the mail host.
 system.emailtest.success=Message was sent successfully. Verify it was sent by checking the mail account you \