File _service of Package spirv-tools

<services>
	<service name="tar_scm" mode="disabled">
 		<param name="scm">git</param>
		<param name="url">https://github.com/KhronosGroup/SPIRV-Tools</param>
		<param name="filename">spirv-tools</param>
		<param name="revision">323a81fc</param>
		<param name="parent-tag">v2019.5</param>
		<param name="versionformat">2020.1~git@TAG_OFFSET@</param>
	</service>
	<service name="recompress" mode="disabled">
		<param name="file">*.tar</param>
		<param name="compression">xz</param>
	</service>
	<service name="set_version" mode="disabled"/>
	<!-- remove directory windows*/ because of vcredist -->
</services>