patch 8.0.0325: packadd test does not clean up symlink

Problem:    Packadd test does not clean up symlink.
Solution:   Delete the link. (Hirohito Higashi)
diff --git a/src/version.c b/src/version.c
index d174d03..49b03ca 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    325,
+/**/
     324,
 /**/
     323,