[gnome-font-viewer/wip/kalev/format-security] font-view: Fix format-security compiler warning

[Kalev Lember <klember src gnome org>]

commit db4a41412c554614a2e2b7e739704b4282aa3678
Author: Kalev Lember <klember redhat com>
Date:   Fri Jul 19 10:52:11 2019 +0300

    font-view: Fix format-security compiler warning

 src/font-view.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/font-view.c b/src/font-view.c
index 506743a..a7568eb 100644
--- a/src/font-view.c
+++ b/src/font-view.c
@@ -854,6 +854,7 @@ font_view_show_error (FontViewApplication *self,
                                      GTK_DIALOG_MODAL,
                                      GTK_MESSAGE_ERROR,
                                      GTK_BUTTONS_CLOSE,
+                                     "%s",
                                      primary_text);
     gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
                                               "%s", secondary_text);