[gnome-desktop-testing: 1/2] fix non-literal format string issue with clang

[Matthias Clasen <matthiasc src gnome org>]

commit df625a36be8e0c7afa68b3dd23907dc7d658c59a
Author: Khem Raj <raj khem gmail com>
Date:   Thu Jul 8 23:13:30 2021 -0700

    fix non-literal format string issue with clang
    
    clang errors out when using -Werror=format-nonliteral
    since the definition of g_strdup_vprintf() from glib-2.0
    is using va_list and clang seems to still warn where as
    gcc doesn't do that for va_list arguments
    
    Signed-off-by: Khem Raj <raj khem gmail com>

 src/gnome-desktop-testing-runner.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gnome-desktop-testing-runner.c b/src/gnome-desktop-testing-runner.c
index d75b71c..da49e14 100644
--- a/src/gnome-desktop-testing-runner.c
+++ b/src/gnome-desktop-testing-runner.c
@@ -74,7 +74,7 @@ static const char * const test_log_message_ids[] = {
 static gboolean opt_quiet = FALSE;
 static gboolean opt_tap = FALSE;
 
-static void
+static void G_GNUC_PRINTF (3, 0)
 test_log (TestLog what,
           const char *test_name,
           const char *format,