[Rpm-metadata] prettify xml output of modifyrepo

[Luke Macken]

On Fri, Dec 21, 2007 at 03:55:50PM -0500, Luke Macken wrote:
> Works for me.  The only problem with it that the repomd.xml is written
> back out with two spaces between each tag.  The attached patch removes
> any whitespace nodes from the repomd.xml dom before writing it back out.
> Seems to have the same effect.

By "seems to have the same effect", I mean it seems to format the XML
properly when writing the repomd back out. 

luke