[libvirt] [PATCH] 2/8 logging header and core implementation

This exports the internal function from logging.h (later the public part should be moved to libvirt.h) augments the set of convenience macros. libvirt_sym.version.in is also extended to export internally all the header functions, Daniel -- Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ daniel(a)veillard.com | Rpmfind RPM search engine http://rpmfind.net/ http://veillard.com/ | virtualization library http://libvirt.org/