add operator+=(OUStringBuffer) method to OUString

to reduce needless object creation and copying some more

And fix what looks like a bug in CSS hex color parsing at line
609 in sw/../parcss1.cxx that has been there since
commit 7b0b5cdfeed656b279bc32cd929630d5fc25878b "initial import"

Change-Id: Ibad42b23721a56493bd1edcd7165e6104494a5c3
Reviewed-on: https://gerrit.libreoffice.org/58357
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/dbaccess/source/core/api/SingleSelectQueryComposer.cxx b/dbaccess/source/core/api/SingleSelectQueryComposer.cxx
index 06a4dcfc4285..9a8eea35ed10 100644
--- a/dbaccess/source/core/api/SingleSelectQueryComposer.cxx
+++ b/dbaccess/source/core/api/SingleSelectQueryComposer.cxx
@@ -1730,7 +1730,7 @@ void OSingleSelectQueryComposer::setConditionByColumn( const Reference< XPropert
             sTemp += andCriteria ? OUString(STR_AND) : OUString(STR_OR);
             sFilter = sTemp;
         }
-        sFilter += aSQL.makeStringAndClear();
+        sFilter += aSQL;
 
         // add the filter and the sort order
         _aSetFunctor(this,sFilter);