Added C:\MINGW\MSYS\1.0\bin to PATH when building expat.
Some systems have it installed there (such as SWING Jenkins servers)
<element
name="root"
xmlns="http://relaxng.org/ns/structure/1.0"
datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
<list>
<oneOrMore>
<data type="integer" />
</oneOrMore>
<data type="string" />
</list>
</element>