-Wall cleanups (removed unused vars, no 'code has no effect' warnings)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3346 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 5 deletions

diff --git a/ext/readline/readline.c b/ext/readline/readline.c
index 2f460ea3e0..fc17dad4f1 100644
--- a/ext/readline/readline.c
+++ b/ext/readline/readline.c
@@ -3,6 +3,7 @@
 
 #include <errno.h>
 #include <stdio.h>
+#include <unistd.h>
 #include <readline/readline.h>
 #include <readline/history.h>
 
@@ -228,7 +229,6 @@ readline_s_set_basic_word_break_characters(self, str)
 {
 #ifdef READLINE_21_OR_LATER
     static char *basic_word_break_characters = NULL;
-    char *s;
 
     StringValue(str);
     if (basic_word_break_characters == NULL) {
@@ -268,7 +268,6 @@ readline_s_set_completer_word_break_characters(self, str)
 {
 #ifdef READLINE_21_OR_LATER
     static char *completer_word_break_characters = NULL;
-    char *s;
 
     StringValue(str);
     if (completer_word_break_characters == NULL) {
@@ -308,7 +307,6 @@ readline_s_set_basic_quote_characters(self, str)
 {
 #ifdef READLINE_21_OR_LATER
     static char *basic_quote_characters = NULL;
-    char *s;
 
     StringValue(str);
     if (basic_quote_characters == NULL) {
@@ -348,7 +346,6 @@ readline_s_set_completer_quote_characters(self, str)
 {
 #ifdef READLINE_21_OR_LATER
     static char *completer_quote_characters = NULL;
-    char *s;
 
     StringValue(str);
     if (completer_quote_characters == NULL) {
@@ -388,7 +385,6 @@ readline_s_set_filename_quote_characters(self, str)
 {
 #ifdef READLINE_21_OR_LATER
     static char *filename_quote_characters = NULL;
-    char *s;
 
     StringValue(str);
     if (filename_quote_characters == NULL) {