Resource Editor: Add missing Q_OBJECT to PrefixLangDialog.

src/plugins/resourceeditor/resourceeditorplugin.cpp:74: Class 'PrefixLangDialog' lacks Q_OBJECT macro

Change-Id: I183f670dc851de043e0a16d6060c069a9393ec99
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/resourceeditor/resourceeditorplugin.cpp

@@ -63,6 +63,7 @@ using namespace ResourceEditor::Internal;
 
 class PrefixLangDialog : public QDialog
 {
+    Q_OBJECT
 public:
     PrefixLangDialog(const QString &title, const QString &prefix, const QString &lang, QWidget *parent)
         : QDialog(parent)
@@ -333,3 +334,5 @@ ResourceEditorW * ResourceEditorPlugin::currentEditor() const
 }
 
 Q_EXPORT_PLUGIN(ResourceEditorPlugin)
+
+#include "resourceeditorplugin.moc"