patch 8.2.1943: Vim9: wrong error message when colon is missing

Problem:    Vim9: wrong error message when colon is missing.
Solution:   Check for a missing colon. (issue #7239)
diff --git a/src/version.c b/src/version.c
index 7591c83..b112567 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1943,
+/**/
     1942,
 /**/
     1941,