Use const char* instead of char*.

Reduce the number of warnings with -Wwrite-strings.
* src/xrdb.c (get_environ_db, get_system_name):
* src/unexelf.c (find_section):
* src/term.c (string_cost, string_cost_one_line, per_line_cost)
(get_named_tty, init_tty):
* src/sysdep.c (sys_subshell):
* src/sound.c (sound_perror, sound_warning, vox_open, vox_init)
(alsa_sound_perror, alsa_open, alsa_configure, alsa_init):
* src/search.c (Freplace_match):
* src/process.c (Fmake_network_process, send_process, init_process):
* src/lread.c (Fload, init_lread):
* src/keymap.c (Fdescribe_buffer_bindings, describe_map_tree):
* src/keyboard.c (parse_tool_bar_item, struct event_head):
* src/gtkutil.h (xg_get_font_name):
* src/gtkutil.c (get_dialog_title, create_dialog, xg_get_font_name)
(make_widget_for_menu_item, make_menu_item, create_menus)
(xg_make_tool_item):
* src/font.c (parse_matrix, font_parse_name):
* src/floatfns.c (rounding_driver, float_error_fn_name):
* src/filelock.c (get_boot_time_1, lock_file_1):
* src/fileio.c (barf_or_query_if_file_exists, check_writable):
* src/editfns.c (get_system_name, get_operating_system_release)
(Fencode_time, Fset_time_zone_rule):
* src/dispextern.h (string_cost, per_line_cost, get_named_tty, init_tty):
* src/buffer.c (defvar_per_buffer): Use const.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lread.c b/src/lread.c
index c69c9fadcb9..b616e30c3c6 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -984,7 +984,7 @@ Return t if the file exists and loads successfully.  */)
   int compiled = 0;
   Lisp_Object handler;
   int safe_p = 1;
-  char *fmode = "r";
+  const char *fmode = "r";
   Lisp_Object tmp[2];
   int version;
 
@@ -3971,7 +3971,7 @@ static Lisp_Object dump_path;
 void
 init_lread (void)
 {
-  char *normal;
+  const char *normal;
   int turn_off_warning = 0;
 
   /* Compute the default load-path.  */