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>

src/secret/secret_driver.c

@@ -46,6 +46,8 @@
 
 #define VIR_FROM_THIS VIR_FROM_SECRET
 
+VIR_LOG_INIT("secret.secret_driver");
+
 enum { SECRET_MAX_XML_FILE = 10*1024*1024 };
 
  /* Internal driver state */