xcb/xlib: Add missing "Since: 1.12"

Signed-off-by: Uli Schlachter <psychon@znc.in>

src/cairo-xcb-connection.c

@@ -809,6 +809,8 @@ cairo_xcb_device_get_connection (cairo_device_t *device)
  * the SHM extension.
  *
  * Use the special values -1 and -1 for disabling the SHM extension.
+ *
+ * Since: 1.12
  **/
 void
 cairo_xcb_device_debug_cap_xshm_version (cairo_device_t *device,
@@ -848,6 +850,8 @@ cairo_xcb_device_debug_cap_xshm_version (cairo_device_t *device,
  * the RENDER extension.
  *
  * Use the special values -1 and -1 for disabling the RENDER extension.
+ *
+ * Since: 1.12
  **/
 void
 cairo_xcb_device_debug_cap_xrender_version (cairo_device_t *device,

src/cairo-xcb-surface.c

@@ -72,6 +72,8 @@ slim_hidden_proto (cairo_xcb_surface_create_with_xrender_format);
  *
  * Defined if the xcb surface backend is available.
  * This macro can be used to conditionally compile backend-specific code.
+ *
+ * Since: 1.12
  */
 
 cairo_surface_t *
@@ -1198,6 +1200,8 @@ _cairo_xcb_screen_from_visual (xcb_connection_t *connection,
  * This function always returns a valid pointer, but it will return a
  * pointer to a "nil" surface if an error such as out of memory
  * occurs. You can use cairo_surface_status() to check for this.
+ *
+ * Since: 1.12
  **/
 cairo_surface_t *
 cairo_xcb_surface_create (xcb_connection_t  *connection,
@@ -1279,6 +1283,8 @@ slim_hidden_def (cairo_xcb_surface_create);
  * This function always returns a valid pointer, but it will return a
  * pointer to a "nil" surface if an error such as out of memory
  * occurs. You can use cairo_surface_status() to check for this.
+ *
+ * Since: 1.12
  **/
 cairo_surface_t *
 cairo_xcb_surface_create_for_bitmap (xcb_connection_t	*connection,
@@ -1340,6 +1346,8 @@ slim_hidden_def (cairo_xcb_surface_create_for_bitmap);
  * This function always returns a valid pointer, but it will return a
  * pointer to a "nil" surface if an error such as out of memory
  * occurs. You can use cairo_surface_status() to check for this.
+ *
+ * Since: 1.12
  **/
 cairo_surface_t *
 cairo_xcb_surface_create_with_xrender_format (xcb_connection_t	    *connection,
@@ -1430,6 +1438,8 @@ _drawable_changed (cairo_xcb_surface_t *surface)
  *
  * If cairo_surface_flush() wasn't called, some pending operations
  * might be discarded.
+ *
+ * Since: 1.12
  **/
 void
 cairo_xcb_surface_set_size (cairo_surface_t *abstract_surface,
@@ -1481,6 +1491,8 @@ slim_hidden_def (cairo_xcb_surface_set_size);
  *
  * If cairo_surface_flush() wasn't called, some pending operations
  * might be discarded.
+ *
+ * Since: 1.12
  **/
 void
 cairo_xcb_surface_set_drawable (cairo_surface_t *abstract_surface,

src/cairo-xlib-display.c

@@ -570,6 +570,8 @@ _cairo_xlib_display_has_gradients (cairo_device_t *device)
  * the RENDER extension.
  *
  * Use the special values -1 and -1 for disabling the RENDER extension.
+ *
+ * Since: 1.12
  **/
 void
 cairo_xlib_device_debug_cap_xrender_version (cairo_device_t *device,