Ok, it looks like this now:

<?xml version="1.0" encoding="utf-8"?>

<DtsServiceConfiguration xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

<StopExecutingPackagesOnShutdown>true</StopExecutingPackagesOnShutdown>

<TopLevelFolders>

<Folder xsi:type="SqlServerFolder">

<Name>MSDB</Name>

<ServerName>ELO-FROST-SQL1\SAPSQL</ServerName>

</Folder>

<Folder xsi:type="FileSystemFolder">

<Name>File System</Name>

<StorePath>..\Packages</StorePath>

</Folder>

</TopLevelFolders>

</DtsServiceConfiguration>