Change empfile members postread() and prewrite() to return void

Callers ignore the value, and callees always return 1.  Pointless.

src/lib/subs/fileinit.c

@@ -41,8 +41,8 @@
 
 struct fileinit {
     int ef_type;
-    int (*postread) (int, void *);
-    int (*prewrite) (int, void *);
+    void (*postread) (int, void *);
+    void (*prewrite) (int, void *);
 };
 
 static struct fileinit fileinit[] = {

src/lib/subs/land.c

@@ -44,7 +44,7 @@
 #include "prototypes.h"
 #include "ship.h"
 
-int
+void
 lnd_postread(int n, void *ptr)
 {
     struct lndstr *llp = ptr;
@@ -106,10 +106,9 @@ lnd_postread(int n, void *ptr)
 	lnd_do_upd_mob(llp);
 
     player->owner = (player->god || llp->lnd_own == player->cnum);
-    return 1;
 }
 
-int
+void
 lnd_prewrite(int n, void *ptr)
 {
     struct lndstr *llp = ptr;
@@ -154,7 +153,6 @@ lnd_prewrite(int n, void *ptr)
 	getland(n, &land);
     }
 
-    return 1;
 }
 
 char *

src/lib/subs/nuke.c

@@ -47,7 +47,7 @@
 #include "sect.h"
 #include "xy.h"
 
-int
+void
 nuk_postread(int n, void *ptr)
 {
     struct nukstr *np = ptr;
@@ -71,10 +71,9 @@ nuk_postread(int n, void *ptr)
     }
 
     player->owner = (player->god || np->nuk_own == player->cnum);
-    return 1;
 }
 
-int
+void
 nuk_prewrite(int n, void *ptr)
 {
     struct nukstr *np = ptr;
@@ -89,8 +88,6 @@ nuk_prewrite(int n, void *ptr)
     }
 
     getnuke(n, &nuke);
-
-    return 1;
 }
 
 int

src/lib/subs/plane.c

@@ -45,7 +45,7 @@
 #include "prototypes.h"
 #include "ship.h"
 
-int
+void
 pln_postread(int n, void *ptr)
 {
     struct plnstr *pp = ptr;
@@ -105,10 +105,9 @@ pln_postread(int n, void *ptr)
     player->owner = (player->god || pp->pln_own == player->cnum);
     if (opt_MOB_ACCESS)
 	pln_do_upd_mob(pp);
-    return 1;
 }
 
-int
+void
 pln_prewrite(int n, void *ptr)
 {
     struct plnstr *pp = ptr;
@@ -132,8 +131,6 @@ pln_prewrite(int n, void *ptr)
 	}
     }
     getplane(n, &plane);
-
-    return 1;
 }
 
 char *

src/lib/subs/sect.c

@@ -50,7 +50,7 @@
 
 static int checksect(struct sctstr *);
 
-int
+void
 sct_postread(int id, void *ptr)
 {
     struct sctstr *sp = ptr;
@@ -59,10 +59,9 @@ sct_postread(int id, void *ptr)
     player->owner = (player->god || sp->sct_own == player->cnum);
     if (opt_MOB_ACCESS)
 	sct_do_upd_mob(sp);
-    return 1;
 }
 
-int
+void
 sct_prewrite(int id, void *ptr)
 {
     struct sctstr *sp = ptr;
@@ -71,7 +70,6 @@ sct_prewrite(int id, void *ptr)
     bridge_damaged(sp);
     checksect(sp);
     getsect(sp->sct_x, sp->sct_y, &sect);
-    return 1;
 }
 
 void

src/lib/subs/ship.c

@@ -45,7 +45,7 @@
 #include "prototypes.h"
 #include "ship.h"
 
-int
+void
 shp_postread(int n, void *ptr)
 {
     struct shpstr *sp = ptr;
@@ -59,10 +59,9 @@ shp_postread(int n, void *ptr)
     if (opt_MOB_ACCESS)
 	shp_do_upd_mob(sp);
     player->owner = (player->god || sp->shp_own == player->cnum);
-    return 1;
 }
 
-int
+void
 shp_prewrite(int n, void *ptr)
 {
     struct shpstr *sp = ptr;
@@ -100,8 +99,6 @@ shp_prewrite(int n, void *ptr)
 	item_prewrite(sp->shp_item);
 	getship(n, &ship);
     }
-
-    return 1;
 }
 
 char *