[libvirt] VIR_WARN and VIR_WARN0 normalization

Here are 5 patches, mostly mechanical, to straighten out the VIR_WARN and VIR_WARN0 situation. 1: mechanically remove all _(...) uses in VIR_WARN*. 2: remove the few remaining _(...) uses manually 3: add syntax-check rule to enforce the policy 4 clean up bogosity I noticed along the way, first automatically, 5 ... then manually b/cfg.mk | 19 +++++++++++++------ b/daemon/libvirtd.c | 6 +++--- b/po/POTFILES.in | 2 -- b/src/lxc/lxc_container.c | 2 +- b/src/lxc/lxc_controller.c | 2 +- b/src/network/bridge_driver.c | 8 ++++---- b/src/phyp/phyp_driver.c | 12 ++++++------ b/src/qemu/qemu_conf.c | 12 ++++++------ b/src/qemu/qemu_driver.c | 32 ++++++++++++++++---------------- b/src/qemu/qemu_monitor_text.c | 22 +++++++++++----------- b/src/uml/uml_driver.c | 12 ++++++------ b/src/util/logging.c | 8 ++++---- b/src/util/pci.c | 8 ++++---- b/src/util/uuid.c | 6 +++--- b/src/xen/proxy_internal.c | 6 +++--- src/phyp/phyp_driver.c | 12 ++++-------- 16 files changed, 85 insertions(+), 84 deletions(-)