whitespace only change - adjust indentation and add some

comments on the content of these two files.

utils.h (which is included in over 150 files) contains a lot of
unrelated functions which require the inclusion of a large number
of other headers.  At some point we should partition its content
in a better way.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@89341 65c4cc65-6c06-0410-ace0-fbb531ad65f3