Revert "guest agent: remove g_strcmp0 usage" Since we now require GLib 2.22+ (commit f40685c), we don't have to work around lack of g_strcmp0() anymore. This reverts commit 8f4774789947bc4bc4c8d026a289fe980d3d2ee1. Conflicts: qemu-ga.c Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>