impermanence: remove trailing slashes in directories which cause an error

impermanence.pl

@@ -51,7 +51,15 @@ sub read_yml_file_to_struct {
 sub remove_transclusion {
     my $data = shift;
     my @files = uniq @{$data->{"files"}};
-    my @directories = uniq @{$data->{"directories"}};
+    my @directories = @{$data->{"directories"}};
+
+    foreach (@directories) {
+        if( $_ =~ m|/$| ) {
+            saywarning("removing trailing slash in $_");
+            $_ =~ s|/$||;
+        }
+    }
+    @directories = uniq @directories;
 
     for(my $i=0; $i <= $#directories; $i++) {
         my $dir = $directories[$i];