Remove "using namespace ::rtl"

dtrans/test/win32/dnd/atlwindow.cxx

@@ -48,9 +48,10 @@ using namespace com::sun::star::lang;
 using namespace com::sun::star::datatransfer::dnd;
 using namespace com::sun::star::datatransfer::dnd::DNDConstants;
 using namespace cppu;
-using namespace rtl;
 using namespace std;
 
+using ::rtl::OUString;
+
 LRESULT APIENTRY EditSubclassProc( HWND hwnd, UINT uMsg,WPARAM wParam, LPARAM lParam) ;
 
 

dtrans/test/win32/dnd/dndTest.cxx

@@ -62,7 +62,8 @@ using namespace com::sun::star::datatransfer;
 using namespace com::sun::star::uno;
 using namespace com::sun::star::datatransfer::dnd;
 using namespace com::sun::star::datatransfer::dnd::DNDConstants;
-using namespace rtl;
+
+using ::rtl::OUString;
 
 #define WM_CREATE_MTA_WND
 

dtrans/test/win32/dnd/targetlistener.cxx

@@ -35,7 +35,8 @@
 
 using namespace com::sun::star::datatransfer::dnd::DNDConstants;
 using namespace com::sun::star::datatransfer;
-using namespace rtl;
+
+using ::rtl::OUString;
 
 DropTargetListener::DropTargetListener(HWND hEdit):m_hEdit( hEdit)
 {

i18nutil/source/utility/widthfolding.cxx

@@ -33,7 +33,8 @@
 #include "widthfolding_data.h"
 
 using namespace com::sun::star::uno;
-using namespace rtl;
+
+using ::rtl::OUString;
 
 namespace com { namespace sun { namespace star { namespace i18n {