Added another cleaning step to the release manager guide's build recipe

diff --git a/Porting/release_managers_guide.pod b/Porting/release_managers_guide.pod
index 4044dd0..86e8fe1 100644 (file)
--- a/Porting/release_managers_guide.pod
+++ b/Porting/release_managers_guide.pod
@@ -502,6 +502,7 @@ Check that the manifest is sorted and correct:
 
     $ make manisort
     $ make distclean
+    $ git clean -xdf # This shouldn't be necessary if distclean is correct
     $ perl Porting/manicheck
     $ git status