User cannot press cancel after folder up.

Moved cancel button on top of folder list views. Selected
file is not anymore emitted on cancel.

Change-Id: Ia7b666b4519fe03ca36c41d1694d2ad3ff4ace51
Reviewed-by: Andy Nichols <andy.nichols@digia.com>

examples/multimedia/video/qmlvideofx/qml/qmlvideofx/FileBrowser.qml

@@ -52,11 +52,12 @@ Rectangle {
     signal fileSelected(string file)
 
     function selectFile(file) {
-        if (file != "")
+        if (file !== "") {
             folder = loader.item.folders.folder
-        loader.sourceComponent = undefined
             fileBrowser.fileSelected(file)
         }
+        loader.sourceComponent = undefined
+    }
 
     Loader {
         id: loader
@@ -161,28 +162,6 @@ Rectangle {
                 }
             }
 
-            Rectangle {
-                id: cancelButton
-                width: 100
-                height: titleBar.height - 7
-                color: "black"
-                anchors { bottom: parent.bottom; horizontalCenter: parent.horizontalCenter }
-
-                Text {
-                    anchors { fill: parent; margins: 4 }
-                    text: "Cancel"
-                    color: "white"
-                    horizontalAlignment: Text.AlignHCenter
-                    verticalAlignment: Text.AlignVCenter
-                    font.pixelSize: 20
-                }
-
-                MouseArea {
-                    anchors.fill: parent
-                    onClicked: fileBrowser.selectFile("")
-                }
-            }
-
             ListView {
                 id: view1
                 anchors.top: titleBar.bottom
@@ -280,6 +259,28 @@ Rectangle {
                 Keys.onPressed: root.keyPressed(event.key)
             }
 
+            Rectangle {
+                id: cancelButton
+                width: 100
+                height: titleBar.height - 7
+                color: "black"
+                anchors { bottom: parent.bottom; horizontalCenter: parent.horizontalCenter }
+
+                Text {
+                    anchors { fill: parent; margins: 4 }
+                    text: "Cancel"
+                    color: "white"
+                    horizontalAlignment: Text.AlignHCenter
+                    verticalAlignment: Text.AlignVCenter
+                    font.pixelSize: 20
+                }
+
+                MouseArea {
+                    anchors.fill: parent
+                    onClicked: fileBrowser.selectFile("")
+                }
+            }
+
             Keys.onPressed: {
                 root.keyPressed(event.key);
                 if (event.key == Qt.Key_Return || event.key == Qt.Key_Select || event.key == Qt.Key_Right) {