OpenACS

This fixes a bug, where the ordering of the site-nodes in the answer

set of the select_child_site_nodes query in site_node::update_cache

led to disappearing entries in the site map, when additional

items were added. This bug happened in the old-style

(nsv-based) site-node impementation, which is used, when no

xotcl is available.

Many thanks to Keith Paskett for debugging and the fix.

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