Make the source path creator safer.
* build/builder.py
(SvnBuild._make_src_path_list): Only do one string replacement to
avoid accidentally mangling source paths/files.
git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/scons-build-system@862146 13f79535-47bb-0310-9956-ffa450edef68