Don't add VCTargetsPath nodes for VS2012.
Don't add VCTargetsPath nodes for VS2012.

Current version of VS2012 doesn't create them, it was only done by some
interim version.  And the presence of this code causes VS2013 Preview to
freeze, see http://support.microsoft.com/kb/2858347/en-us

vslavik/bakefile,vslavik/bakefile,vslavik/bakefile