1 files changed, 1 insertions, 0 deletions

diff --git a/src/lisp.h b/src/lisp.h
index 4794f77d5a1..5e4d87595eb 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -2833,6 +2833,7 @@ EXFUN (Fmatch_end, 1);
 EXFUN (Flooking_at, 1);
 extern int fast_string_match P_ ((Lisp_Object, Lisp_Object));
 extern int fast_c_string_match_ignore_case P_ ((Lisp_Object, const char *));
+extern int fast_string_match_ignore_case P_ ((Lisp_Object, Lisp_Object));
 extern int scan_buffer P_ ((int, int, int, int, int *, int));
 extern int scan_newline P_ ((int, int, int, int, int, int));
 extern int find_next_newline P_ ((int, int));