Fix typo for Save Playlist in french translation.

Signed-off-by: Rafaël Carré <rafael.carre@gmail.com>
(cherry picked from commit 383afad3ba992904042da2d59a03f0e8a1464c8f)
Signed-off-by: Rafaël Carré <rafael.carre@gmail.com>

po/fr.po

@@ -15852,7 +15852,7 @@ msgstr "Durée"
 
 #: modules/gui/macosx/playlist.m:465
 msgid "Save Playlist..."
-msgstr "&Enregistrer la liste de lecture…"
+msgstr "Enregistrer la liste de lecture…"
 
 #: modules/gui/macosx/playlist.m:467 modules/gui/qt4/dialogs/bookmarks.cpp:45
 #: modules/gui/qt4/ui/podcast_configuration.h:105