Fix "Header" documentation in Core plugin

Change-Id: If3cbe51b47a3acba32429894dfb5154cd573967d
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

src/plugins/coreplugin/generatedfile.cpp

@@ -38,7 +38,9 @@ namespace Core {
 
 /*!
     \class Core::GeneratedFile
+    \inheaderfile coreplugin/generatedfile.h
     \inmodule QtCreator
+
     \brief The GeneratedFile class represents a file generated by a wizard.
 
     The BaseFileWizard class checks whether each file already exists and
@@ -47,8 +49,6 @@ namespace Core {
     \sa Core::WizardDialogParameters, Core::BaseFileWizard,
  */
 
-
-
 class GeneratedFilePrivate : public QSharedData
 {
 public: