coverity#735375 Copy-paste error

Change-Id: Ib976de6a5a1c54fd80645b675b20186a4b9d6661
Reviewed-on: https://gerrit.libreoffice.org/2799Reviewed-by: Joren De Cuyper <joren.libreoffice@telenet.be>
Reviewed-by: Noel Power <noel.power@suse.com>
Tested-by: Noel Power <noel.power@suse.com>

filter/source/msfilter/svdfppt.cxx

@@ -5987,7 +5987,7 @@ sal_Bool PPTParagraphObj::GetAttrib( sal_uInt32 nAttr, sal_uInt32& nRetValue, sa
             case PPT_ParaAttr_DefaultTab :
             {
                 nRetValue = rParaLevel.mnDefaultTab;
-                if ( pParaLevel && ( nRetValue != pParaLevel->mnBulletOfs ) )
+                if ( pParaLevel && ( nRetValue != pParaLevel->mnDefaultTab ) )
                     bIsHardAttribute = 1;
             }
             break;