1 files changed, 5 insertions, 0 deletions
diff --git a/src/lisp.h b/src/lisp.h
index 8ca6d05a821..107150461eb 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -4213,6 +4213,11 @@ extern void syms_of_xml (void);
 extern void xml_cleanup_parser (void);
 #endif
 
+#ifdef HAVE_ZLIB
+/* Defined in decompress.c.  */
+extern void syms_of_decompress (void);
+#endif
+
 #ifdef HAVE_DBUS
 /* Defined in dbusbind.c.  */
 void syms_of_dbusbind (void);