[gtk+] textbufferserialize: declare set_error as G_GNUC_PRINTF

[Ben Iofel <beniofel src gnome org>]

commit 55e599c5617177878b44a49400f23c6ffcd4200b
Author: Ben Iofel <iofelben gmail com>
Date:   Mon Oct 17 10:36:26 2016 -0400

    textbufferserialize: declare set_error as G_GNUC_PRINTF
    
    And fix a missing format argument

 gtk/gtktextbufferserialize.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktextbufferserialize.c b/gtk/gtktextbufferserialize.c
index 8baf780..961d809 100644
--- a/gtk/gtktextbufferserialize.c
+++ b/gtk/gtktextbufferserialize.c
@@ -671,6 +671,14 @@ set_error (GError              **err,
            int                   error_domain,
            int                   error_code,
            const char           *format,
+           ...) G_GNUC_PRINTF (5, 6);
+
+static void
+set_error (GError              **err,
+           GMarkupParseContext  *context,
+           int                   error_domain,
+           int                   error_code,
+           const char           *format,
            ...)
 {
   int line, ch;
@@ -795,7 +803,7 @@ check_id_or_name (GMarkupParseContext  *context,
            {
              set_error (error, context,
                         G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE,
-                        _("<%s> element has invalid ID \"%s\""), attribute_values[i]);
+                        _("<%s> element has invalid ID \"%s\""), element_name, attribute_values[i]);
              return FALSE;
            }
        }