convert sd/.../MasterPageDescriptor.hxx from String to OUString

Change-Id: I4bb95e075c1946efd3f81aee044170ec2baabc7f
diff --git a/sd/source/ui/toolpanel/controls/MasterPageDescriptor.cxx b/sd/source/ui/toolpanel/controls/MasterPageDescriptor.cxx
index d2fc2cc..3ebeb3d 100644
--- a/sd/source/ui/toolpanel/controls/MasterPageDescriptor.cxx
+++ b/sd/source/ui/toolpanel/controls/MasterPageDescriptor.cxx
@@ -32,9 +32,9 @@ namespace sd { namespace toolpanel { namespace controls {
MasterPageDescriptor::MasterPageDescriptor (
    MasterPageContainer::Origin eOrigin,
    const sal_Int32 nTemplateIndex,
    const String& rsURL,
    const String& rsPageName,
    const String& rsStyleName,
    const OUString& rsURL,
    const OUString& rsPageName,
    const OUString& rsStyleName,
    const bool bIsPrecious,
    const ::boost::shared_ptr<PageObjectProvider>& rpPageObjectProvider,
    const ::boost::shared_ptr<PreviewProvider>& rpPreviewProvider)
diff --git a/sd/source/ui/toolpanel/controls/MasterPageDescriptor.hxx b/sd/source/ui/toolpanel/controls/MasterPageDescriptor.hxx
index 5627b53..bf1beb4 100644
--- a/sd/source/ui/toolpanel/controls/MasterPageDescriptor.hxx
+++ b/sd/source/ui/toolpanel/controls/MasterPageDescriptor.hxx
@@ -40,9 +40,9 @@ public:
    MasterPageDescriptor (
        MasterPageContainer::Origin eOrigin,
        const sal_Int32 nTemplateIndex,
        const String& rURL,
        const String& rPageName,
        const String& rStyleName,
        const OUString& rURL,
        const OUString& rPageName,
        const OUString& rStyleName,
        const bool bIsPrecious,
        const ::boost::shared_ptr<PageObjectProvider>& rpPageObjectProvider,
        const ::boost::shared_ptr<PreviewProvider>& rpPreviewProvider);