patch 8.2.3497: put test fails when run by itself

Problem:    Put test fails when run by itself.
Solution:   Source check.vim. (Dominique Pellé, closes #8990)
diff --git a/src/version.c b/src/version.c
index 8a97806..c360692 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3497,
+/**/
     3496,
 /**/
     3495,