gsm/cdma: free up a couple of dangling GErrors

Change-Id: I4f07e7e08bcbfc116114191c759cc0af4bb8ea23

src/mm-generic-cdma.c

@@ -2317,6 +2317,7 @@ simple_connect (MMModemSimple *simple,
     }
 
     simple_state_machine (MM_MODEM (simple), error, info);
+    g_error_free (error);
 }
 
 static void

src/mm-generic-gsm.c

@@ -4784,6 +4784,7 @@ sms_get (MMModemGsmSms *modem,
         callback (modem, properties, error, user_data);
         if (properties != NULL)
             g_hash_table_unref (properties);
+        g_error_free (error);
         return;
     }