Fix #2 to bug 680: http://bugs.mariadb.com/show_bug.cgi?id=680"

When no users are loaded from backends, instead of counting it as a failure the service is started and the next time a client connects an attempt to load the users from the backends is made.

server/include/server.h

@@ -130,7 +130,6 @@ typedef struct server {
 	(SERVER_RUNNING|SERVER_MASTER|SERVER_SLAVE|SERVER_MAINT)) == 		\
 	(SERVER_RUNNING|SERVER_MASTER))
 
-#define SRV_DOWN_STATUS(status) ((status & SERVER_RUNNING) == 0)
 /**
  * Is the server valid candidate for root master. The server must be running, 
  * marked as master and not have maintenance bit set.