patch 9.0.1236: code in same_leader() can be simplified

Problem:    Code in same_leader() can be simplified.
Solution:   Simplify code that is executed only once. (closes #11867)
diff --git a/src/version.c b/src/version.c
index 3e853b3..886d0a4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1236,
+/**/
     1235,
 /**/
     1234,