Merge pull request kubernetes#48489 from xiangpengzhao/check-golint

Automatic merge from submit-queue (batch tested with PRs 48309, 48489)

Check if golint exists first in hack/verify-golint.sh

**What this PR does / why we need it**:
Check if golint exists first in hack/verify-golint.sh

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes kubernetes#48488

**Special notes for your reviewer**:
nope.

**Release note**:

```release-note
NONE
```

hack/verify-golint.sh

@@ -23,6 +23,12 @@ source "${KUBE_ROOT}/hack/lib/init.sh"
 
 kube::golang::verify_go_version
 
+if ! which golint > /dev/null; then
+  echo 'Can not find golint, install with:'
+  echo 'go get -u github.com/golang/lint/golint'
+  exit 1
+fi
+
 cd "${KUBE_ROOT}"
 
 array_contains () {