The LOG_MASK() macro is now used correctly.
The non-standard LOG_PERROR is always visible in stderr as well (in BeOS,
so we copied it). Added a newline for stderr output.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5332 a95241bf-73f2-0310-859d-f6bbb57e9c96