patch 8.2.3674: when ml_get_buf() fails it messes up IObuff

Problem:    When ml_get_buf() fails it messes up IObuff.
Solution:   Return a local pointer. (closes #9214)
diff --git a/src/version.c b/src/version.c
index 3f83103..6d96d43 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3674,
+/**/
     3673,
 /**/
     3672,