perl, python, ruby: Fix comments on call to close method.

Make the comments consistent.

Also make the Perl example call $g->close explicitly so it is
consistent with the other examples.
(cherry picked from commit 27ebf517fae972eee49ae5911a03fabe5f4b6e54)

1 files changed, 4 insertions, 1 deletions

diff --git a/perl/examples/create_disk.pl b/perl/examples/create_disk.pl
index 49538a5f..fa15bc7b 100755
--- a/perl/examples/create_disk.pl
+++ b/perl/examples/create_disk.pl
@@ -57,4 +57,7 @@ $g->mkdir ("/foo");
 # the disk image.
 $g->upload ("/etc/resolv.conf", "/foo/resolv.conf");
 
-exit 0
+# Note also that handles are automatically closed if they are
+# reaped by reference counting.  You only need to call close
+# if you want to close the handle right away.
+$g->close ();