#314 README: bad hg clone URL

[Jakub Wilk]

README says that you should use this URL for hg clone:
http://graphicsmagick.hg.sourceforge.net/hgweb/graphicsmagick/graphicsmagick/

It works somehow, but it gives you end up with an outdated repo:

$ hg tip
changeset:   13902:5545b7835b6b
tag:         tip
user:        Bob Friesenhahn <bfriesen@GraphicsMagick.org>
date:        Mon Mar 25 09:11:22 2013 -0500
summary:     Revert use of omp_set_dynamic() in InitializeMagickResources() due to weird performance regression.

This URL appears to work fine:
http://hg.code.sf.net/p/graphicsmagick/code

[Jakub Wilk]

Blargh, s/it gives//.

[Bob Friesenhahn]

Thanks for bringing this to our attention. The bug is now fixed in Mercural.;-)

The web site should be updated shortly.