move a pair of functions from save.c to restore.c

A utility that links only with restore.o needs to find them.

include/extern.h

@@ -2734,6 +2734,8 @@ boolean restgamestate(NHFILE *);
 void restore_msghistory(NHFILE *);
 #endif
 extern void rest_adjust_levelflags(void);
+extern void moves_to_relative_time(long *);
+extern void relative_time_to_moves(long *);
 
 /* ### rip.c ### */
 
@@ -2828,8 +2830,6 @@ extern void freedynamicdata(void);
 extern void store_savefileinfo(NHFILE *) NONNULLARG1;
 extern void store_savefileinfo(NHFILE *) NONNULLARG1;
 extern int nhdatatypes_size(void);
-extern void moves_to_relative_time(long *);
-extern void relative_time_to_moves(long *);
 #if 0
 extern void assignlog(char *, char*, int);
 extern FILE *getlog(NHFILE *);

src/cfgfiles.c

@@ -1889,6 +1889,7 @@ vconfig_error_add(const char *str, va_list the_args)
     config_erradd(buf);
 }
 
+#ifndef SFCTOOL
 void
 rcfile(void)
 {
@@ -2022,6 +2023,7 @@ config_unmatched_ignored(void)
         return TRUE;
     return FALSE;
 }
+#endif /* SFCTOOL */
 
 #ifdef SYSCF
 #ifdef SYSCF_FILE

src/restore.c

@@ -1313,6 +1313,21 @@ rest_adjust_levelflags(void)
     /* adjust timestamps */
     relative_time_to_moves(&svl.level.flags.stasis_until);
 }
+void
+moves_to_relative_time(long *timestamp)
+{
+    long prevts = *timestamp;
+
+    *timestamp = prevts - svm.moves;
+}
+
+void
+relative_time_to_moves(long *timestamp)
+{
+    long prevts = *timestamp;
+
+    *timestamp = svm.moves + prevts;
+}
 
 /* "name-role-race-gend-algn" occurs very early in a save file; sometimes we
    want the whole thing, other times just "name" (for svp.plname[]) */

src/save.c

@@ -1052,22 +1052,6 @@ save_msghistory(NHFILE *nhfp)
     /* note: we don't attempt to handle release_data() here */
 }
 
-void
-moves_to_relative_time(long *timestamp)
-{
-    long prevts = *timestamp;
-
-    *timestamp = prevts - svm.moves;
-}
-
-void
-relative_time_to_moves(long *timestamp)
-{
-    long prevts = *timestamp;
-
-    *timestamp = svm.moves + prevts;
-}
-
 /* also called by prscore(); this probably belongs in dungeon.c... */
 void
 free_dungeons(void)

util/sfctool.c

@@ -96,7 +96,7 @@ int util_strncmpi(const char *s1, const char *s2, size_t sz);
 #ifdef UNIX
 #define nethack_exit exit
 ATTRNORETURN void nh_terminate(int) NORETURN;   /* bwrite() calls this */
-static void chdirx(const char *, boolean);
+//static void chdirx(const char *, boolean);
 #else
 ATTRNORETURN extern void nethack_exit(int) NORETURN;
 #ifdef WIN32