patch 8.2.5022: 'completefunc'/'omnifunc' error does not end completion

Problem:    'completefunc'/'omnifunc' error does not end completion.
Solution:   Check if there was an error or exception. (closes #10486,
            closes #4218)

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    5022,
 /**/
     5021,
 /**/