Check for the existence of the ivar before accessing it.

Makes the code run nearly warning free, reducing the output
of `rspec -w spec` by 42 lines. That has to mean something,
right?

Signed-off-by: Ryan Davis <zenspider@chef.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/mixlib/log.rb b/lib/mixlib/log.rb
index 491bbc8..18cdfd3 100644
--- a/lib/mixlib/log.rb
+++ b/lib/mixlib/log.rb
@@ -190,6 +190,7 @@ module Mixlib
         # via public API. In order to reduce amount of impact and
         # handle only File type log devices I had to use this method
         # to get access to it.
+        next unless logger.instance_variable_defined?(:"@logdev")
         next unless (logdev = logger.instance_variable_get(:"@logdev"))
         loggers_to_close << logger if logdev.filename
       end