loplugin:stringconstant: elide explicit ctor usage (manually due to macros)

Change-Id: I779395274a480a0f1f4dc9d5ea8d323bba682031

sfx2/source/dialog/basedlgs.cxx

@@ -43,7 +43,7 @@
 
 using namespace ::com::sun::star::uno;
 
-#define USERITEM_NAME OUString("UserItem")
+#define USERITEM_NAME "UserItem"
 
 SingleTabDlgImpl::SingleTabDlgImpl()
         : m_pSfxPage(NULL)

sfx2/source/dialog/filedlghelper.cxx

@@ -110,7 +110,7 @@ using namespace ::cppu;
 
 #define IODLG_CONFIGNAME        OUString("FilePicker_Save")
 #define IMPGRF_CONFIGNAME       OUString("FilePicker_Graph")
-#define USERITEM_NAME           OUString("UserItem")
+#define USERITEM_NAME           "UserItem"
 
 namespace sfx2
 {

sfx2/source/dialog/splitwin.cxx

@@ -46,7 +46,7 @@ using namespace ::com::sun::star::uno;
 
 #define VERSION 1
 #define nPixel  30L
-#define USERITEM_NAME           OUString("UserItem")
+#define USERITEM_NAME           "UserItem"
 
 namespace {
     // helper class to deactivate UpdateMode, if needed, for the life time of an instance

sfx2/source/dialog/tabdlg.cxx

@@ -42,7 +42,7 @@
 
 using namespace ::com::sun::star::uno;
 
-#define USERITEM_NAME           OUString("UserItem")
+#define USERITEM_NAME           "UserItem"
 
 TYPEINIT1(SfxTabDialogItem,SfxSetItem);