Sync dfa with grep.

1 files changed, 2 insertions, 0 deletions

diff --git a/dfa.h b/dfa.h
index bacd4894..7e0674fc 100644
--- a/dfa.h
+++ b/dfa.h
@@ -99,3 +99,5 @@ extern void dfawarn (const char *);
    takes a single argument, a NUL-terminated string describing the error.
    The user must supply a dfaerror.  */
 extern _Noreturn void dfaerror (const char *);
+
+extern int using_utf8 (void);