We missed a config option rename.
We missed a config option rename.

* subversion/libsvn_subr/io.c (svn_io_run_diff3): Look for "diff-cmd",
not "diff_cmd" when resolving the parameter for --diff-program.

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