beremiz

Fix PLCObject's purge failing silently with extra_files.

2019-06-06, Edouard Tisserant
e05458405ff4
Fix PLCObject's purge failing silently with extra_files.
<xsd:element name="Generic">
<xsd:complexType>
%(toolchain_makefile)s
</xsd:complexType>
</xsd:element>