patch 9.1.1527: Vim9: Crash with string compound assignment

Problem:  Vim9: Crash when using string compound assignment with wrong
          data type (lacygoill)
Solution: verify expected member type (Hirohito Higashi)

fixes: #17675
closes: #17693

Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 5a7225b..c840960 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1527,
+/**/
     1526,
 /**/
     1525,