Cleanup cache bypass

Cleanup cache bypass

This patch cleans up the cache bypass code so that it uses a
consistent form of indentation throughout the file.

It also changes the do { } while(0); macros to omit the trailing
semicolon, as macro definitions with trailing semicolons break
normal coding conventions.

Change-Id: Id5161fe4b1ba27110e41ed27e14a2bb3c9cccd4a
Reviewed-on: http://gerrit.openafs.org/754
Tested-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Derrick Brashear <shadow@dementia.org>