(encode_designation_at_bol): Fix type of local vars C1, C2.

diff --git a/src/coding.c b/src/coding.c
index 378f5d5de0a63f20884886d80eb4e7c42dfbb6a5..e22581b2c03ccfa8c3008a6aaca65f314681e257 100644 (file)
--- a/src/coding.c
+++ b/src/coding.c
@@ -1440,7 +1440,8 @@ encode_designation_at_bol (coding, table, src, src_end, dstp)
        charset = CHARSET_AT (src);
       else
        {
-         int c_alt, c1, c2;
+         int c_alt;
+         unsigned char c1, c2;
 
          SPLIT_STRING(src, bytes, charset, c1, c2);
          if ((c_alt = unify_char (table, -1, charset, c1, c2)) >= 0)