patch 8.2.4536: debugger test fails when breaking on expression

Problem:    Debugger test fails when breaking on expression.
Solution:   Compare strings with "==" instead of "is".
diff --git a/src/version.c b/src/version.c
index 49810ea..7856aed 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4536,
+/**/
     4535,
 /**/
     4534,