I18n: Update translation fr (100%).

150 translated messages.

Transifex (https://www.transifex.com/xfce/public/).

po/fr.po

@@ -8,9 +8,9 @@
 # Nick Schermer <nick@xfce.org>, 2018
 # Charles Monzat <c.monzat@laposte.net>, 2018
 # David MARMONT <it@marmont.fr>, 2018
-# Yannick Le Guen <leguen.yannick@gmail.com>, 2018
 # nodiscc <nodiscc@gmail.com>, 2018
 # David D, 2018
+# Yannick Le Guen <leguen.yannick@gmail.com>, 2018
 # 
 #, fuzzy
 msgid ""
@@ -19,7 +19,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2018-11-20 06:31+0100\n"
 "PO-Revision-Date: 2018-10-16 16:27+0000\n"
-"Last-Translator: David D, 2018\n"
+"Last-Translator: Yannick Le Guen <leguen.yannick@gmail.com>, 2018\n"
 "Language-Team: French (https://www.transifex.com/xfce/teams/16840/fr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -632,11 +632,11 @@ msgstr ""
 
 #: ../src/xfce4-screensaver-preferences.ui.h:22
 msgid "On Screen Keyboard"
-msgstr ""
+msgstr "Clavier virtuel"
 
 #: ../src/xfce4-screensaver-preferences.ui.h:23
 msgid "On screen keyboard command:"
-msgstr ""
+msgstr "Commande du clavier virtuel :"
 
 #: ../src/xfce4-screensaver-preferences.ui.h:24
 msgid "Session Status Messages"