Add single-include guards to a11y headers

[~andy/gtk] / gtk / a11y / gtkexpanderaccessible.h

diff --git a/gtk/a11y/gtkexpanderaccessible.h b/gtk/a11y/gtkexpanderaccessible.h
index b110c24206dbc16910817d546a2631060cdc84cd..82d635fc9a82a9960ace221e3ea0359944ef9231 100644 (file)
--- a/gtk/a11y/gtkexpanderaccessible.h
+++ b/gtk/a11y/gtkexpanderaccessible.h
@@ -15,6 +15,10 @@
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#if !defined (__GTK_A11Y_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk-a11y.h> can be included directly."
+#endif
+
 #ifndef __GTK_EXPANDER_ACCESSIBLE_H__
 #define __GTK_EXPANDER_ACCESSIBLE_H__