patch 8.1.2043: not sufficient testing for quoted numbers

Problem:    Not sufficient testing for quoted numbers.
Solution:   Add a few more test cases.
diff --git a/src/version.c b/src/version.c
index e9a71a8..919d8fd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2043,
+/**/
     2042,
 /**/
     2041,