/* Header for environment manipulation library.
- Copyright (C) 1989-2014 Free Software Foundation, Inc.
+ Copyright (C) 1989-2016 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
extern void set_in_environ (struct gdb_environ *, const char *, const char *);
-extern void unset_in_environ (struct gdb_environ *, char *);
+extern void unset_in_environ (struct gdb_environ *, const char *);
extern char **environ_vector (struct gdb_environ *);