backend: small garbage reduction for url_decode

Obviously I could go farther, but not at the expense of
readability.  There are C libraries I could use, but MogileFS
may move to a JSON-based protocol in the future anyways...

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/mogilefs/backend.rb b/lib/mogilefs/backend.rb
index 5403c13..df44b37 100644
--- a/lib/mogilefs/backend.rb
+++ b/lib/mogilefs/backend.rb
@@ -242,9 +242,9 @@ class MogileFS::Backend
   # Turns a url params string into a Hash.
 
   def url_decode(str)
-    Hash[*(str.split(/&/).map { |pair|
-      pair.split(/=/, 2).map { |x| url_unescape(x) }
-    } ).flatten]
+    Hash[*(str.split(/&/).map! { |pair|
+      pair.split(/=/, 2).map! { |x| url_unescape(x) }
+    } ).flatten!]
   end
 
   ##