Fix wrong format of CLSOBJ_LOG()

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2421 f4f36d40-9719-0410-9868-dde021a23eda
Suppress warnings [-Wformat]

- VALUE -> cast to (void *)
- SEL -> use sel_getName()

git-svn-id: https://svn.code.sf.net/p/rubycocoa/svn/trunk/src@2422 f4f36d40-9719-0410-9868-dde021a23eda