[FIX] label name in all is utf7 decoded

ondrejbima · nu7hatch · commit 0779fc8adc8d · 2011-02-21T08:48:08.000+08:00
diff --git a/lib/gmail/labels.rb b/lib/gmail/labels.rb
@@ -24,7 +24,7 @@ def each(*args, &block)
     
     # Returns +true+ when given label defined. 
     def exists?(label)
-      all.include?(Net::IMAP.encode_utf7(label))
+      all.include?(label)
     end
     alias :exist? :exists?
     
