* tools/dev/unix-build/Makefile.svn: Add self-built bin/python and bin/ruby to PATH while running tests. Otherwise we might end up running different versions of these programs installed system-wide. git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1930059 13f79535-47bb-0310-9956-ffa450edef68