coverity#705747: Resource leak

Change-Id: Ifc071261ce5697355b904fbd12272b27c04183e4
Reviewed-on: https://gerrit.libreoffice.org/2736Reviewed-by: Fridrich Strba <fridrich@documentfoundation.org>
Tested-by: Fridrich Strba <fridrich@documentfoundation.org>

sw/source/core/text/pormulti.cxx

@@ -2328,6 +2328,7 @@ SwLinePortion* SwTxtFormatter::MakeRestPortion( const SwLineLayout* pLine,
         }
         return pTmp;
     }
+    delete (pCreate);
     return pRest;
 }