[libvirt] [PATCH] fix some XPath relative node resets

The virXPath... function take extra care to preserve the XPath context node (ctxt->node) but in the case of virXPathString and virXPathBoolean they forgot to do this on the error path. This patch fixes this and move all ctxt->node = relnode instuctions just after the xmlXPathEval() to make sure this doesn't happen if this code is modified. Daniel -- Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ daniel@veillard.com | Rpmfind RPM search engine http://rpmfind.net/ http://veillard.com/ | virtualization library http://libvirt.org/