[[FIX]] Consider all exported bindings "used"

Extend consideration to include bindings created using
DestructuringBindingPattern.

Author: jugglinmike

src/jshint.js

@@ -4424,7 +4424,7 @@ var JSHINT = (function() {
             t = tokens[t];
             state.funct["(scope)"].initialize(t.id);
 
-            if (lone && inexport) {
+            if (inexport) {
               state.funct["(scope)"].setExported(t.token.value, t.token);
             }
           }
@@ -4571,7 +4571,7 @@ var JSHINT = (function() {
               type: "var",
               token: t.token });
 
-            if (lone && inexport) {
+            if (inexport) {
               state.funct["(scope)"].setExported(t.id, t.token);
             }
             names.push(t.token);

tests/unit/core.js

@@ -1021,7 +1021,10 @@ exports.testES6ModulesNamedExportsAffectUnused = function (test) {
     "export var v1u, v2u;",
     "export let l1u, l2u;",
     "export const c1u, c2u;",
-    "export function* gen() { yield 1; }"
+    "export function* gen() { yield 1; }",
+    "export var { varX } = 0;",
+    "export let { letX } = 0;",
+    "export const { constX } = 0;"
   ];
 
   TestRun(test)