avoid NilMethodError if get_file_data is passed an invalid key

It should raise on an unknown key, of course.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/mogilefs/mogilefs.rb b/lib/mogilefs/mogilefs.rb
index 86eba42..e1b3eb6 100644
--- a/lib/mogilefs/mogilefs.rb
+++ b/lib/mogilefs/mogilefs.rb
@@ -69,7 +69,7 @@ class MogileFS::MogileFS < MogileFS::Client
       sock.to_s
     end
     ensure
-      sock.close unless sock.closed?
+      sock.close if sock && ! sock.closed?
   end
 
   ##