scons:reformat the custom boost and mapnik version checking cpp snippets, since on gcc 4.1.1 the existing formatting was causing 'no newline at end of file' warnings
scons:reformat the custom boost and mapnik version checking cpp snippets, since on gcc 4.1.1 the existing formatting was causing 'no newline at end of file' warnings

git-svn-id: 5adfda8227e14e59fd47d5bd9925a30df16fed74@966 d397654b-2ff0-0310-9e29-ba003691a0f9

craigds/mapnik2,craigds/mapnik2,makinacorpus/mapnik2,makinacorpus/mapnik2,makinacorpus/mapnik2,craigds/mapnik2,makinacorpus/mapnik2,craigds/mapnik2