Tweak unsuccessful attempt to get SVN_CLIENT_DIFF set in config.h, so other readers have a better sense of what I was actually trying.
Tweak unsuccessful attempt to get SVN_CLIENT_DIFF set in config.h, so
other readers have a better sense of what I was actually trying.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion