1 files changed, 1 insertions, 0 deletions

diff --git a/src/coding.h b/src/coding.h
index f47c33847f9..58d70644124 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -707,6 +707,7 @@ extern Lisp_Object code_convert_string_norecord P_ ((Lisp_Object, Lisp_Object,
                                                      int));
 extern Lisp_Object raw_text_coding_system P_ ((Lisp_Object));
 extern Lisp_Object coding_inherit_eol_type P_ ((Lisp_Object, Lisp_Object));
+extern Lisp_Object complement_process_encoding_system P_ ((Lisp_Object));
 
 extern int decode_coding_gap P_ ((struct coding_system *,
                                   EMACS_INT, EMACS_INT));