Add virLogSource variables to all source files

Any source file which calls the logging APIs now needs
to have a VIR_LOG_INIT("source.name") declaration at
the start of the file. This provides a static variable
of the virLogSource type.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

tests/virkeycodetest.c

@@ -34,6 +34,7 @@
 
 #define VIR_FROM_THIS VIR_FROM_NONE
 
+VIR_LOG_INIT("tests.keycodetest");
 
 static int testKeycodeMapping(const void *data ATTRIBUTE_UNUSED)
 {