Use different syntax kind here

RyanCavanaugh · RyanCavanaugh · commit e4a6b670c1bc · 2016-02-05T10:47:38.000-08:00
(cherry picked from commit d47097f)
diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
@@ -5759,7 +5759,7 @@ namespace ts {
                 const parameter = <ParameterDeclaration>createNode(SyntaxKind.Parameter);
                 parameter.type = parseJSDocType();
                 if (parseOptional(SyntaxKind.EqualsToken)) {
-                    parameter.questionToken = createNode(SyntaxKind.QuestionToken);
+                    parameter.questionToken = createNode(SyntaxKind.EqualsToken);
                 }
                 return finishNode(parameter);
             }

Original file line number	Diff line number	Diff line change
`@@ -5759,7 +5759,7 @@ namespace ts {`
`5759`	`5759`	`const parameter = <ParameterDeclaration>createNode(SyntaxKind.Parameter);`
`5760`	`5760`	`parameter.type = parseJSDocType();`
`5761`	`5761`	`if (parseOptional(SyntaxKind.EqualsToken)) {`
`5762`		`- parameter.questionToken = createNode(SyntaxKind.QuestionToken);`
	`5762`	`+ parameter.questionToken = createNode(SyntaxKind.EqualsToken);`
`5763`	`5763`	`}`
`5764`	`5764`	`return finishNode(parameter);`
`5765`	`5765`	`}`