[atk/wip/muktupavels/version-2-36] add missing ATK_VERSION_2_36

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 39f89df48d1aa72f2398a8039123af07f6545725
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Sep 11 01:53:43 2019 +0300

    add missing ATK_VERSION_2_36
    
    https://gitlab.gnome.org/GNOME/atk/merge_requests/27

 atk/atkversion.h.in | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/atk/atkversion.h.in b/atk/atkversion.h.in
index 78dc6e2..9dbd61a 100644
--- a/atk/atkversion.h.in
+++ b/atk/atkversion.h.in
@@ -186,6 +186,16 @@
  */
 #define ATK_VERSION_2_30       (G_ENCODE_VERSION (2, 30))
 
+/**
+ * ATK_VERSION_2_36:
+ *
+ * A macro that evaluates to the 2.36 version of ATK, in a format
+ * that can be used by the C pre-processor.
+ *
+ * Since: 2.36
+ */
+#define ATK_VERSION_2_36       (G_ENCODE_VERSION (2, 36))
+
 /* evaluates to the current stable version; for development cycles,
  * this means the next stable target
  */