update-mocks: make sure we can find json_add functions.

These are on start of line, which is unexpected.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

lightningd/json_stream.h

@@ -85,8 +85,8 @@ void json_stream_append_part(struct json_stream *js, const char *str,
  * @js: the json_stream.
  * @fmt...: the printf-style format
  */
-void PRINTF_FMT(2,3)
+PRINTF_FMT(2,3)
-json_stream_append_fmt(struct json_stream *js, const char *fmt, ...);
+void json_stream_append_fmt(struct json_stream *js, const char *fmt, ...);
 
 /**
  * json_add_member - add a generic member.
@@ -94,8 +94,8 @@ json_stream_append_fmt(struct json_stream *js, const char *fmt, ...);
  * @fieldname: optional fieldname.
  * @fmt...: the printf-style format
  */
-void PRINTF_FMT(3,4)
+PRINTF_FMT(3,4)
-json_add_member(struct json_stream *js, const char *fieldname,
+void json_add_member(struct json_stream *js, const char *fieldname,
 		     const char *fmt, ...);
 
 /**