fix: postinst update

debbuild/22.04/DEBIAN/postinst

@@ -43,6 +43,7 @@ chmod +rx /usr/local/omc/*
 chmod +rx /usr/local/db/bin/*
 chmod +rx /usr/local/bin/*
 chmod -R 755 /usr/local/omc/htdocs/front
+
 for CFile in ${CFileList}; do
     if [ ! -e "${OMCEtcDir}/${CFile}" ]; then
         cp ${OMCEtcDir}/default/${CFile} ${OMCEtcDir};