- DECLARE_MODULE needs SYSINIT -> include sys/kernel.h

- modeventhand_t declares a pointer to a function, so it can't be
  used as a forward declaration (d'oh!)

Submitted by:	Harti Brandt <brandt@fokus.gmd.de>

share/man/man9/module.9

@@ -64,8 +64,10 @@ contains the value of
 .Bd -literal
 #include <sys/param.h>
 #include <sys/module.h>
+#include <sys/kernel.h>
 
-modeventhand_t	foo_handler;
+static int foo_handler(module_t mod, int /*modeventtype_t*/ what,
+                       void *arg);
 
 static moduledata_t mod_data= {
         "foo",