[gnome-documents] documents: fix some uninitialized variable warnings

[Cosimo Cecchi <cosimoc src gnome org>]

commit 0ca71f37ea6fcac5e6430e7e303b922501768783
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Aug 6 15:00:54 2013 +0200

    documents: fix some uninitialized variable warnings

 src/documents.js  |    4 ++--
 src/selections.js |    8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/documents.js b/src/documents.js
index c8eabdc..b40c4d1 100644
--- a/src/documents.js
+++ b/src/documents.js
@@ -204,7 +204,7 @@ const CollectionIconWatcher = new Lang.Class({
     },
 
     destroy: function() {
-        for (id in this._docConnections) {
+        for (let id in this._docConnections) {
             let doc = this._docConnections[id];
             doc.disconnect(id);
         }
@@ -918,7 +918,7 @@ const DocumentManager = new Lang.Class({
     },
 
     _onChangesPending: function(monitor, changes) {
-        for (idx in changes) {
+        for (let idx in changes) {
             let changeEvent = changes[idx];
 
             if (changeEvent.type == ChangeMonitor.ChangeEventType.CHANGED) {
diff --git a/src/selections.js b/src/selections.js
index 56f0ce7..3b49c5a 100644
--- a/src/selections.js
+++ b/src/selections.js
@@ -141,7 +141,7 @@ const FetchCollectionStateForSelectionJob = new Lang.Class({
         let collections = Application.collectionManager.getItems();
 
         // for all the registered collections...
-        for (collIdx in collections) {
+        for (let collIdx in collections) {
             let collection = collections[collIdx];
 
             let found = false;
@@ -158,7 +158,7 @@ const FetchCollectionStateForSelectionJob = new Lang.Class({
                     hidden = true;
             }
 
-            for (itemIdx in this._collectionsForItems) {
+            for (let itemIdx in this._collectionsForItems) {
                 let item = Application.documentManager.getItemById(itemIdx);
                 let collectionsForItem = this._collectionsForItems[itemIdx];
 
@@ -371,7 +371,7 @@ const OrganizeCollectionModel = new Lang.Class({
     },
 
     _onFetchCollectionStateForSelection: function(collectionState) {
-        for (idx in collectionState) {
+        for (let idx in collectionState) {
             let item = Application.collectionManager.getItemById(idx);
 
             if ((collectionState[item.id] & OrganizeCollectionState.HIDDEN) != 0)
@@ -799,7 +799,7 @@ const SelectionToolbar = new Lang.Class({
     },
 
     _setItemListeners: function(selection) {
-        for (idx in this._itemListeners) {
+        for (let idx in this._itemListeners) {
             let doc = this._itemListeners[idx];
             doc.disconnect(idx);
             delete this._itemListeners[idx];