registry: mark the rxkb_log function as attribute printf

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/src/registry.c b/src/registry.c
index d3d95f5..dcaaa1b 100644 (file)
--- a/src/registry.c
+++ b/src/registry.c
@@ -133,6 +133,7 @@ static bool
 parse(struct rxkb_context *ctx, const char *path,
       enum rxkb_popularity popularity);
 
+ATTR_PRINTF(3, 4)
 static void
 rxkb_log(struct rxkb_context *ctx, enum rxkb_log_level level,
          const char *fmt, ...)