Matt Harbison <matt_harbison@yahoo.com> [Mon, 16 Nov 2015 14:12:27 -0500] rev 27054
test-import: don't use printf to append an extension to $HGRCPATH
The extension was failing to load on Windows because $TESTTMP contains a path
component 'test', prefixed by a path separator '\'. That combination ends up
converted to "...<tab>est...".