docs: Add missing quote

The missing " breaks the syntax highlighting of the GtkImageMenuItem
example.

diff --git a/gtk/deprecated/gtkimagemenuitem.c b/gtk/deprecated/gtkimagemenuitem.c
index 1b46ead863aba7c00d57021e34f0503e64ae2e5f..deb5f9a10076bc6b64c16ec3e9ff6cfa5e0f9d3e 100644 (file)
--- a/gtk/deprecated/gtkimagemenuitem.c
+++ b/gtk/deprecated/gtkimagemenuitem.c
@@ -53,7 +53,7 @@
  *
  * |[<!-- language="C" -->
  *   GtkWidget *box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
- *   GtkWidget *icon = gtk_image_new_from_icon_name ("folder-music-symbolic, GTK_ICON_SIZE_MENU);
+ *   GtkWidget *icon = gtk_image_new_from_icon_name ("folder-music-symbolic", GTK_ICON_SIZE_MENU);
  *   GtkWidget *label = gtk_label_new ("Music");
  *   GtkWidget *menu_item = gtk_menu_item_new ();
  *