Make gofmt has invalid arguments for mac

[drekle]

1. What kops version are you running? The command kops version, will display
this information.
master

4. What commands did you run? What is the simplest way to reproduce this issue?

make gofmt

5. What happened after the commands executed?

find -name "*.go" | grep -v vendor | xargs bazel run //:gofmt -- -w -s
find: illegal option -- n
usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression]
       find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]

6. What did you expect to happen?
make gofmt finds all go files to pass to gofmt

9. Anything else do we need to know?
#6954

[granular-ryanbonham]

/close
This has been merge to master

[k8s-ci-robot]

@granular-ryanbonham: Closing this issue.

In response to this:

/close
This has been merge to master

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