cppcheck: identicalConditionAfterEarlyExit

Change-Id: I0c9b2e8e92ae1b439b6df548daecff07714ea1d4
Reviewed-on: https://gerrit.libreoffice.org/42135Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

dbaccess/source/ui/querydesign/QueryTableView.cxx

@@ -373,8 +373,6 @@ Reference<XPropertySet> getKeyReferencedTo(const Reference<XIndexAccess>& _rxKey
     if(!_rxKeys.is())
         return Reference<XPropertySet>();
 
-    if ( !_rxKeys.is() )
-        return Reference<XPropertySet>();
     // search the one and only primary key
     const sal_Int32 nCount = _rxKeys->getCount();
     for(sal_Int32 i=0;i<nCount ;++i)