patch 9.0.0334: test does not properly clean up

Problem:    Test does not properly clean up.
Solution:   Fix typo in argument of delete(). (Dominique Pellé, closes #11010)
diff --git a/src/version.c b/src/version.c
index 265da75..dd60073 100644
--- a/src/version.c
+++ b/src/version.c
@@ -708,6 +708,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    334,
+/**/
     333,
 /**/
     332,