Update branch projects to use NUnit 2.5.8.
diff --git a/nant.build b/nant.build
index 864abcb..b779e04 100644
--- a/nant.build
+++ b/nant.build
@@ -61,7 +61,7 @@
<!-- Property grouping for 'vendor.nunit.org' -->
<property name="vendor.nunit.org.name" value="NUnit" />
<property name="vendor.nunit.org.group" value="org.nunit" />
- <property name="vendor.nunit.org.version" value="2.5.5" />
+ <property name="vendor.nunit.org.version" value="2.5.8" />
<property name="vendor.nunit.org.filenames" value="nunit.framework.dll" />
</target>