coverity#982649 Missing break in switch

Change-Id: I25ffff8576aca6891060283c55eff7125a9d4681

sw/source/filter/ww8/ww8par2.cxx

@@ -3011,6 +3011,7 @@ SvxFrameDirection MakeDirection(sal_uInt16 nCode, bool bIsBiDi)
     {
         default:
             OSL_ENSURE(eDir == 4, "unknown direction code, maybe it's a bitfield");
+            //fall-through
         case 3:
             eDir = bIsBiDi ? FRMDIR_HORI_RIGHT_TOP : FRMDIR_HORI_LEFT_TOP; // #i38158# - Consider RTL tables
             break;