Regenerate configure (for configure.in version 1.305)

src/configure

@@ -856,7 +856,7 @@ if test "${enable_multibyte+set}" = set; then
         MULTIBYTE=SQL_ASCII
         if test "$enableval" != "yes"; then
                 case "$enableval" in
-                        SQL_ASCII|EUC_JP|EUC_CN|EUC_KR|EUC_TW|UNICODE|MULE_INTERNAL|LATIN1|LATIN2|LATIN3|LATIN4|LATIN5|KOI8|WIN|ALT|SJIS|BIG5|WIN1250)  
+                        SQL_ASCII|EUC_JP|EUC_CN|EUC_KR|EUC_TW|UNICODE|MULE_INTERNAL|LATIN1|LATIN2|LATIN3|LATIN4|LATIN5|KOI8|WIN|ALT)
                         # ok
                         ;;
                 *)
@@ -864,7 +864,7 @@ if test "${enable_multibyte+set}" = set; then
   SQL_ASCII, EUC_JP, EUC_CN, EUC_KR, EUC_TW,
   UNICODE, MULE_INTERNAL,
   LATIN1, LATIN2, LATIN3, LATIN4, LATIN5,
-  KOI8, WIN, ALT, SJIS, BIG5, WIN1250
+  KOI8, WIN, ALT
 Or do not specify an argument to the option to use the default." 1>&2; exit 1; }
                 esac
                 MULTIBYTE=$enableval