iface-modem: make update_unlock_retries method static

src/mm-iface-modem.c

@@ -3586,9 +3586,9 @@ mm_iface_modem_get_unlock_retries (MMIfaceModem *self)
     return unlock_retries;
 }
 
-void
-mm_iface_modem_update_unlock_retries (MMIfaceModem *self,
-                                      MMUnlockRetries *unlock_retries)
+static void
+update_unlock_retries (MMIfaceModem *self,
+                       MMUnlockRetries *unlock_retries)
 {
     MmGdbusModem *skeleton = NULL;
     GVariant *previous_dictionary;
@@ -3674,7 +3674,7 @@ load_unlock_retries_ready (MMIfaceModem *self,
         g_error_free (error);
     } else {
         /* Update the dictionary in the DBus interface */
-        mm_iface_modem_update_unlock_retries (self, unlock_retries);
+        update_unlock_retries (self, unlock_retries);
         g_object_unref (unlock_retries);
     }
 

src/mm-iface-modem.h

@@ -518,9 +518,6 @@ MMModemLock mm_iface_modem_update_lock_info_finish (MMIfaceModem *self,
 MMModemLock      mm_iface_modem_get_unlock_required (MMIfaceModem *self);
 MMUnlockRetries *mm_iface_modem_get_unlock_retries  (MMIfaceModem *self);
 
-void mm_iface_modem_update_unlock_retries (MMIfaceModem *self,
-                                           MMUnlockRetries *unlock_retries);
-
 /* Request signal quality check update.
  * It will not only return the signal quality status, but also set the property
  * values in the DBus interface. */