- Fix a style violation which was flagged by gcc: while loop without body...

- Fix a style violation which was flagged by gcc: while loop without body
- Restructured the entire function because:
  During the simple style fix I discovered that this whole routine was
  hard to read due to a general lack of comments. While adding comments I
  realized that the function was also skipping entries if there were two
  consecutive entries in the maps file.

[mnaganov (inactive), 2009-07-31 07:23:15]

LGTM!

Great, now it looks perfect. Thanks for spending your time on it!

[iposva, 2009-08-01 06:13:34]

Committed as r2603.