modify nectarine module to use the modified ICapRadio

Signed-off-by: Pierre Mazière <pierre.maziere@gmx.com>

modules/nectarine/backend.py

@@ -56,3 +56,10 @@ class NectarineBackend(BaseBackend, ICapRadio, ICapCollection):
                if rad.id == radio:
                   return rad
         return None
+
+    def fill_radio(self, radio, fields):
+        if 'current' in fields:
+            return self.get_radio(radio.id)
+        return radio
+
+    OBJECTS = {Radio: fill_radio}