Update to 1.12.3.

@@ -1,6 +1,6 @@
-/*      $Id: preconv.c,v 1.5 2011/07/24 18:15:14 kristaps Exp $ */
+/*      $Id: preconv.c,v 1.6 2013/06/02 03:52:21 schwarze Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above

@@ -30,17 +30,13 @@
 #include <string.h>
 #include <unistd.h>
 
 /* 
  * The read_whole_file() and resize_buf() functions are copied from
- * read.c, including all dependency code (MAP_FILE, etc.).
+ * read.c, including all dependency code.
  */
 
-#ifndef MAP_FILE
-#define MAP_FILE        0
-#endif
-
 enum    enc {
         ENC_UTF_8, /* UTF-8 */
         ENC_US_ASCII, /* US-ASCII */
         ENC_LATIN_1, /* Latin-1 */
         ENC__MAX

@@ -269,12 +265,11 @@
         } 
         
         if (S_ISREG(st.st_mode)) {
                 *with_mmap = 1;
                 fb->sz = (size_t)st.st_size;
-                fb->buf = mmap(NULL, fb->sz, PROT_READ, 
-                                MAP_FILE|MAP_SHARED, fd, 0);
+                fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0);
                 if (fb->buf != MAP_FAILED)
                         return(1);
         }
 #endif