coverity#988428 Missing break in switch

Change-Id: I7f127409c65f692c2eec3684c79b40b11e7ce240
Reviewed-on: https://gerrit.libreoffice.org/2775Reviewed-by: Fridrich Strba <fridrich@documentfoundation.org>
Tested-by: Fridrich Strba <fridrich@documentfoundation.org>

writerfilter/source/dmapper/NumberingManager.cxx

@@ -900,6 +900,7 @@ void ListsManager::lcl_sprm( Sprm& rSprm )
                     m_pCurrentDefinition->GetCurrentLevel()->SetValue( nSprmId, value );
                 }
             }
+            break;
             case NS_ooxml::LN_CT_Lvl_lvlText:
             case NS_ooxml::LN_CT_Lvl_rPr : //contains LN_EG_RPrBase_rFonts
             {