fixed for new 'tree' packagev0.21.17v0.21.16v0.21.15v0.21.14v0.21.13

1 files changed, 4 insertions, 2 deletions

diff --git a/structs.go b/structs.go
index 5416913..f51cfb8 100644
--- a/structs.go
+++ b/structs.go
@@ -1,6 +1,8 @@
 package main
 
 import (
+	"sync"
+
 	"go.wit.com/toolkits/tree"
 )
 
@@ -13,8 +15,8 @@ type guiWidget struct {
 	val map[string]int
 }
 
-// It's probably a terrible idea to call this 'me'
-var me toolkitConfig
+var initOnce sync.Once // run initPlugin() only once
+var me toolkitConfig   // It's probably a terrible idea to call this 'me'
 
 type toolkitConfig struct {
 	treeRoot *tree.Node // the base of the binary tree. it should have id == 0