patch 9.0.1136: memory leak when getting class member type from expr

Problem:    Memory leak when getting class member type from expr.
Solution:   Clear the expression result.
diff --git a/src/version.c b/src/version.c
index 72493e3..ab0c923 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1136,
+/**/
     1135,
 /**/
     1134,