Defer OUString computation and make some OUString const

Change-Id: I9aea8b4d33bc475c477318736cfba7c0bbce0bde

sw/source/uibase/dochdl/gloshdl.cxx

@@ -412,18 +412,18 @@ bool SwGlossaryHdl::Expand( const OUString& rShortName,
         const size_t nGroupCount = pGlossaryList->GetGroupCount();
         for(size_t i = 0; i < nGroupCount; ++i)
         {
-            OUString sTitle = pGlossaryList->GetGroupTitle(i);
             // get group name with path-extension
-            OUString sGroupName = pGlossaryList->GetGroupName(i, false);
+            const OUString sGroupName = pGlossaryList->GetGroupName(i, false);
             if(sGroupName == pGlossary->GetName())
                 continue;
             const sal_uInt16 nBlockCount = pGlossaryList->GetBlockCount(i);
             if(nBlockCount)
             {
+                const OUString sTitle = pGlossaryList->GetGroupTitle(i);
                 for(sal_uInt16 j = 0; j < nBlockCount; j++)
                 {
-                    OUString sLongName(pGlossaryList->GetBlockLongName(i, j));
-                    OUString sShortName(pGlossaryList->GetBlockShortName(i, j));
+                    const OUString sLongName(pGlossaryList->GetBlockLongName(i, j));
+                    const OUString sShortName(pGlossaryList->GetBlockShortName(i, j));
                     if( rSCmp.isEqual( rShortName, sShortName ))
                     {
                         TextBlockInfo_Impl* pData = new TextBlockInfo_Impl;