r5185: make all the events data structures private to events.c. This will

make it possible to add optimisations to the events code such as
keeping the next timed event in a sorted list, and using epoll for
file descriptor events.

I also removed the loop events code, as it wasn't being used anywhere,
and changed timed events to always be one-shot (as adding a new timed
event in the event handler is so easy to do if needed)

source/libcli/resolve/resolve.c

@@ -21,6 +21,7 @@
 */
 
 #include "includes.h"
+#include "events.h"
 #include "libcli/raw/libcliraw.h"
 #include "libcli/composite/composite.h"