(boyer_moore): Get charset base value of `untranslated'

by masking by ~CHAR_FIELD3_MASK (instead of ~0xff).

diff --git a/src/search.c b/src/search.c
index 8137f9d18710d64d21c11a71ca93fdaff861c429..4b135a6a84a8e62831bd5bcafef70fdb10d4aeda 100644 (file)
--- a/src/search.c
+++ b/src/search.c
@@ -1623,7 +1623,7 @@ boyer_moore (n, base_pat, len, len_byte, trt, inverse_trt,
              while (! CHAR_HEAD_P (*charstart))
                charstart--;
              untranslated = STRING_CHAR (charstart, ptr - charstart + 1);
-             if (charset_base == (untranslated & ~0xff))
+             if (charset_base == (untranslated & ~CHAR_FIELD3_MASK))
                {
                  TRANSLATE (ch, trt, untranslated);
                  if (! CHAR_HEAD_P (*ptr))