Cleaned up some header style violations, making sure there are two blank lines after the header guards. This fixes the posix header part of #2191. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39288 a95241bf-73f2-0310-859d-f6bbb57e9c96
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37725 a95241bf-73f2-0310-859d-f6bbb57e9c96
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1670 a95241bf-73f2-0310-859d-f6bbb57e9c96