Update res/values-fr/muc_editor.xml

In the context of a chat application, the French translation for 'nickname' is not 'surnom'. 'Pseudo' (short for 'pseudonyme') is a much more common usage.

res/values-fr/muc_editor.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
-    <string name="EMPTY_NICK_NAME">Surnom non spécifié</string>
+    <string name="EMPTY_NICK_NAME">Pseudo non spécifié</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
     <string name="EMPTY_ROOM_NAME">Conférence non spécifiée</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/contact_list_conference_context_menu.png -->
     <string name="muc_join">Rejoindre une conférence</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
-    <string name="muc_nick">Surnom</string>
+    <string name="muc_nick">Pseudo</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
-    <string name="muc_nick_hint">Votre surnom dans la conférence</string>
+    <string name="muc_nick_hint">Votre pseudo dans la conférence</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_password">Mot de passe</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
@@ -21,7 +21,7 @@
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_server_hint">conference.jabber.org</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
-    <string name="NICK_ALREADY_USED">Surnom déjà utilisé</string>
+    <string name="NICK_ALREADY_USED">Pseudo déjà utilisé</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
     <string name="ALREADY_IN_PROGRESS">Déjà en cours</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
@@ -42,4 +42,4 @@
     <string name="muc_leave">Quitter la conférence</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_save">Enregistrer la conférence</string>
-</resources>
\ No newline at end of file
+</resources>