change gender typo

ffdnispdb/translations/fr/LC_MESSAGES/messages.po

@@ -234,7 +234,7 @@ msgstr "Nombre de membres"
 #: ffdnispdb/forms.py:158 ffdnispdb/templates/map_popup.html:21
 #: ffdnispdb/templates/project_detail.html:76
 msgid "subscribers"
-msgstr "abonné-e-s"
+msgstr "abonné·e·s"
 
 #: ffdnispdb/forms.py:159
 msgid "Number of subscribers to an internet access"