fixed a bug in demo_hspo_v2.m. Included in list of fixes on Wiki

git-svn-id: https://svn.code.sf.net/p/cocotools/examples/recipes/trunk@338 424c9ba7-df04-4ffb-830c-3bfd037c86c9
build_example_release: committed new version tag

git-svn-id: https://svn.code.sf.net/p/cocotools/examples/recipes/trunk@341 424c9ba7-df04-4ffb-830c-3bfd037c86c9