Merge pull request #38135 from MHBauer/go-generate-flag-location

Automatic merge from submit-queue

goflags must be after subcommand

**What this PR does / why we need it**:
if GOFLAGS is set when calling make, kubernetes will fail to build

as an example, I often have `GOFLAGS=-v` so I can have some idea of progress during compilation

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: 
no known issue

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

hack/lib/golang.sh

@@ -672,7 +672,7 @@ kube::golang::build_binaries() {
       # Only try to generate bindata if the file exists, since in some cases
       # one-off builds of individual directories may exclude some files.
       if [[ -f "${KUBE_ROOT}/${bindata}" ]]; then
-        go "${goflags[@]:+${goflags[@]}}" generate "${KUBE_ROOT}/${bindata}"
+        go generate "${goflags[@]:+${goflags[@]}}" "${KUBE_ROOT}/${bindata}"
       fi
     done