Fixed xml decode bug when there is content after a comment

pkg/yqlib/xml_test.go

@@ -233,6 +233,11 @@ const expectedXmlWithProcInstAndDirectives = `<?xml version="1.0"?>
 `
 
 var xmlScenarios = []formatScenario{
+	{
+		skipDoc:  true,
+		input:    "<root>value<!-- comment--> </root>",
+		expected: "root: value # comment\n",
+	},
 	{
 		description:    "Parse xml: simple",
 		subdescription: "Notice how all the values are strings, see the next example on how you can fix that.",