patch 9.0.2087: build-failure in vim9class

Problem:  build-failure in vim9class
Solution: reference correct error message,
          disable non-failing test

closes: #13476
closes: #13477

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 83ac9db..a475361 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2087,
+/**/
     2086,
 /**/
     2085,