Fix an issue where initialization may not have been performed

Author: akiyosi

editor/editor.go

@@ -610,7 +610,10 @@ func (e *Editor) connectAppSignals() {
 
 	if runtime.GOOS == "darwin" {
 
-		e.openingFileCh = make(chan string, 2)
+		if e.openingFileCh == nil {
+			e.openingFileCh = make(chan string, 2)
+		}
+
 		go func() {
 			for {
 				openingFile := <-e.openingFileCh

editor/editor_darwin.go

@@ -13,6 +13,10 @@ import "unsafe"
 func GetOpeningFilepath(str *C.char) {
 	goStr := C.GoString(str)
 	C.free(unsafe.Pointer(str))
+
+	if editor.openingFileCh == nil {
+		editor.openingFileCh = make(chan string, 2)
+	}
 	editor.openingFileCh <- goStr
 }