test-extension: changed environment variables must be exported again
This fixes failure on Solaris because HGRCPATH wasn't unset.
--- a/tests/test-extension Fri Apr 30 19:50:37 2010 -0300
+++ b/tests/test-extension Sat May 01 19:24:46 2010 +0200
@@ -156,6 +156,7 @@
echo '% disabled extension commands'
HGRCPATH=
+export HGRCPATH
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