patch 9.0.1292: :defer may call the wrong method for an object

Problem:    :defer may call the wrong method for an object. (Ernie Rael)
Solution:   When en object is from a class that extends or implements, figure
            out the method to call at runtime. (closes #11910)
diff --git a/src/version.c b/src/version.c
index a98d4c3..2c86c48 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1292,
+/**/
     1291,
 /**/
     1290,