strings: replaced '-' by – unicode

res/values/strings.xml

@@ -177,7 +177,7 @@ as that of the covered work.
     <string name="action_call_stop_record">Stop Recording</string>
     <string name="title_activity_activity_holder">ActivityHolder</string>
     <string name="action_settings">Settings</string>
-    <string name="copyright">Copyright \u00A9 2004#8211;2013 Savoir-Faire Linux Inc.</string>
+    <string name="copyright">Copyright \u00A9 2004&#8211;2013 Savoir-Faire Linux Inc.</string>
     
     
     <string name="help_gestures"> This view will help users with different interactions during calls. Different actions will be described; Long press, fling, swype etc.</string>