patch 8.2.1217: startup test depends on random source file

Problem:    Startup test depends on random source file.
Solution:   Write a test file to find quickfix errors in.
diff --git a/src/version.c b/src/version.c
index 7b310e9..42e6f79d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1217,
+/**/
     1216,
 /**/
     1215,