patch 8.0.0335: functions test fails

Problem:    Functions test fails.
Solution:   Use the right buffer number.
diff --git a/src/version.c b/src/version.c
index c66c1f4..ef1f9ad 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    335,
+/**/
     334,
 /**/
     333,