return a stack trace when tracing is disabled we don't really need to be able to print one either. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43088 a95241bf-73f2-0310-859d-f6bbb57e9c96
return a stack trace when tracing is disabled we don't really need to be able to print one either. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43088 a95241bf-73f2-0310-859d-f6bbb57e9c96