clean_perl: don't try to remove empty dirs directly under /usr/lib/perl5

E.g. /usr/lib/perl5/vendor_perl of perl package itself is affected.

1 files changed, 1 insertions, 1 deletions

diff --git a/clean_perl b/clean_perl
index 11b0417..99d0d46 100755
--- a/clean_perl
+++ b/clean_perl
@@ -17,4 +17,4 @@ for i in $(find $d -name "*.bs"); do
     fi
 done
 
-find $d -depth -type d -empty -exec rmdir {} \;
+find $d -depth -mindepth 2 -type d -empty -exec rmdir {} \;