(fileinit): Invalid cast sct_init(); a call couldn't possibly work.

Luckily, it isn't called.  Remove.
(ef_fileinit): Unused, remove.

include/file.h

@@ -81,8 +81,6 @@ struct empfile {
 #define EF_NMAP         222	/* Kinda bogus, but used to describe a newdesmap
 				   instead of bmap or map. */
 
-typedef void (*ef_fileinit) (int, s_char *);
-
 struct fileinit {
     void (*init) (int, s_char *);
     int (*postread) (int, s_char *);

src/lib/subs/fileinit.c

@@ -44,7 +44,7 @@
 #include "optlist.h"
 
 struct fileinit fileinit[EF_MAX] = {
-    {(ef_fileinit)sct_init, sct_postread, sct_prewrite, sect_ca},
+    {0, sct_postread, sct_prewrite, sect_ca},
     {shp_init, shp_postread, shp_prewrite, ship_ca},
     {pln_init, pln_postread, pln_prewrite, plane_ca},
     {lnd_init, lnd_postread, lnd_prewrite, land_ca},