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-rw-r--r--xmlhelp/source/treeview/tvread.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/xmlhelp/source/treeview/tvread.cxx b/xmlhelp/source/treeview/tvread.cxx
index 3b7ecf190cc6..c374b4242585 100644
--- a/xmlhelp/source/treeview/tvread.cxx
+++ b/xmlhelp/source/treeview/tvread.cxx
@@ -1081,7 +1081,7 @@ OUString TreeFileIterator::expandURL( const OUString& aURL )
static Reference< util::XMacroExpander > xMacroExpander;
static Reference< uri::XUriReferenceFactory > xFac;
- osl::MutexGuard aGuard( m_aMutex );
+ std::lock_guard aGuard( m_aMutex );
if( !xMacroExpander.is() || !xFac.is() )
{