Don't declare functions declared by xalloc.h.

Include "xalloc.h" instead.

lib/readutmp.c

@@ -1,5 +1,5 @@
 /* GNU's read utmp module.
-   Copyright (C) 1992-2001 Free Software Foundation, Inc.
+   Copyright (C) 1992-2001, 2003 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -29,11 +29,15 @@
 # include <strings.h>
 #endif /* STDC_HEADERS || HAVE_STRING_H */
 
+#if STDC_HEADERS
+# include <stdlib.h>
+#else
+void *realloc ();
+#endif
+
 #include "readutmp.h"
 #include "unlocked-io.h"
-
-char *xmalloc ();
-char *realloc ();
+#include "xalloc.h"
 
 /* Copy UT->ut_name into storage obtained from malloc.  Then remove any
    trailing spaces from the copy, NUL terminate it, and return the copy.  */