Fix: Fix typo.

lib/hawat/blueprints/reports/templates/reports/email_report_feedback.txt

 {{ _('Dear administrator,') | wordwrap }}
 
-{{ _('Feedback for report "%(feedback_for)s" has been send by user:', feedback_for = feedback_for) | wordwrap }}
+{{ _('Feedback for report "%(feedback_for)s" has been sent by user:', feedback_for = feedback_for) | wordwrap }}
 
     {{ '{:16s}'.format(_('Login:')) }} {{ account.login }}
     {{ '{:16s}'.format(_('Full name:')) }} {{ account.fullname }}

lib/hawat/translations/cs/LC_MESSAGES/messages.po

@@ -3956,7 +3956,7 @@ msgstr "pozdrženo"
 
 #: ../hawat/blueprints/reports/templates/reports/email_report_feedback.txt:3
 #, python-format
-msgid "Feedback for report \"%(feedback_for)s\" has been send by user:"
+msgid "Feedback for report \"%(feedback_for)s\" has been sent by user:"
 msgstr "Zpětná vazba pro report \"%(feedback_for)s\" byla zaslána uživatelem:"
 
 #: ../hawat/blueprints/reports/templates/reports/email_report_feedback.txt:10