patch 8.2.2742: Vim9: when compiling a function fails it is cleared

Problem:    Vim9: when compiling a function fails it is cleared.
Solution:   Keep the function lines, prevent execution with a different
            status. (closes #8093)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2742,
 /**/
     2741,
 /**/