re.c: use built-in encoding indexes

* internal.h: add EUC-JP and Windows-31J.
* re.c (rb_char_to_option_kcode): use built-in encoding indexes in
  internal.h.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41745 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/re.c b/re.c
index 4731462d88..e5cc79d445 100644
--- a/re.c
+++ b/re.c
@@ -307,10 +307,10 @@ rb_char_to_option_kcode(int c, int *option, int *kcode)
         *kcode = rb_ascii8bit_encindex();
         return (*option = ARG_ENCODING_NONE);
       case 'e':
-	*kcode = rb_enc_find_index("EUC-JP");
+	*kcode = ENCINDEX_EUC_JP;
 	break;
       case 's':
-	*kcode = rb_enc_find_index("Windows-31J");
+	*kcode = ENCINDEX_Windows_31J;
 	break;
       case 'u':
 	*kcode = rb_utf8_encindex();