tdf#120703 PVS: check proper pointer (possible nullprt dereference)

V547 Expression 'pFormat' is always true.

Change-Id: I11a32f903a08296fb9e6732032b7c7f00cb8aced
Reviewed-on: https://gerrit.libreoffice.org/63233
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

sw/source/core/unocore/unotbl.cxx

@@ -3564,7 +3564,7 @@ uno::Any SAL_CALL SwXCellRange::getPropertyValue(const OUString& rPropertyName)
                 SwFormatColl *const pTmpFormat =
                     SwUnoCursorHelper::GetCurTextFormatColl(*m_pImpl->m_pTableCursor, false);
                 OUString sRet;
-                if(pFormat)
+                if (pTmpFormat)
                     sRet = pTmpFormat->GetName();
                 aRet <<= sRet;
             }