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/eventtest.c

@@ -34,6 +34,8 @@
 #include "virutil.h"
 #include "vireventpoll.h"
 
+VIR_LOG_INIT("tests.eventtest");
+
 #define NUM_FDS 31
 #define NUM_TIME 31