Fix Assign appropriate value to ctx.Data[IsShowClosed] according to the Open/Closed status

Author: cloudchamb3r

routers/web/repo/issue.go

@@ -467,6 +467,9 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption opt
 	ctx.Data["AssigneeID"] = assigneeID
 	ctx.Data["PosterID"] = posterID
 	ctx.Data["Keyword"] = keyword
+	if isShowClosed.Has() {
+		ctx.Data["IsShowClosed"] = isShowClosed.Value()
+	}
 	switch {
 	case isShowClosed.Value():
 		ctx.Data["State"] = "closed"