Add includes for dependency documentation. There is still inconsistent

use of assert(...) in src/lib/util. libutil compile will use assert from
<assert> while other parts of mame will be compiled with assert from
emucore.h.

src/lib/util/chdcodec.h

@@ -14,6 +14,7 @@
 #define __CHDCODEC_H__
 
 #include "osdcore.h"
+#include "coretmpl.h"
 
 
 #define CHDCODEC_VERIFY_COMPRESSION 0

src/lib/util/delegate.h

@@ -83,7 +83,7 @@
 #include <typeinfo>
 #include <utility>
 #include <cstring>
-
+#include <cstdint>
 
 //**************************************************************************
 //  MACROS

src/lib/util/plaparse.h

@@ -12,7 +12,7 @@
 #define __PLAPARSE_H__
 
 #include "osdcore.h"
-
+#include "jedparse.h"
 
 
 /***************************************************************************

src/lib/util/vbiparse.h

@@ -13,6 +13,7 @@
 #ifndef __VBIPARSE_H__
 #define __VBIPARSE_H__
 
+#include "osdcomm.h"
 
 /***************************************************************************
     CONSTANTS