add missing checks for potential errors

store.go

@@ -30,12 +30,14 @@ func init() {
 
 	storeDefaultSubscriptions = filepath.Join(conf, "subscriptions")
 	exists, err = storeFileExists(storeDefaultSubscriptions)
+	errorCare(err)
 	if !exists {
 		errorCare(storeCreateFile(storeDefaultSubscriptions))
 	}
 
 	storeDefaultPlayer = filepath.Join(conf, "player")
 	exists, err = storeFileExists(storeDefaultPlayer)
+	errorCare(err)
 	if !exists {
 		errorCare(storeCreateFile(storeDefaultPlayer))
 	}