Backport change from trunk:
tests/harness/fdtracker.cc: Fix code typo in recent change to skip
apparent leaks of /dev/urandom.

git-svn-id: file:///home/xapian-svn/xapian/branches/1.2@18267 6b2f1b92-a4f3-0310-943f-de3cbe41748b
Backport change from trunk:
docs/overview.rst: Add missing database path to example of using
xapian-progsrv in a stub database file.

git-svn-id: file:///home/xapian-svn/xapian/branches/1.2@18268 6b2f1b92-a4f3-0310-943f-de3cbe41748b
Backport change from trunk:
tests/Makefile.am: Remove .replicatmp upon "make clean".

git-svn-id: file:///home/xapian-svn/xapian/branches/1.2@18269 6b2f1b92-a4f3-0310-943f-de3cbe41748b