BUG/MINOR: proxy: Use .disabled field as a bitfield as documented

.disabled field in the proxy structure is documented to be a bitfield. So
use it as a bitfield. This change was introduced to the 2.5, by commit
8e765b86f ("MINOR: proxy: disabled takes a stopping and a disabled state").

No backport is needed except if the above commit is backported.
4 files changed