unify newline format for benchmark-go.sh

Author: aaronxu

hack/benchmark-go.sh

@@ -21,7 +21,7 @@ set -o pipefail
 KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
 
 make test \
-    WHAT="$*"
+    WHAT="$*" \
     KUBE_COVER="" \
     KUBE_RACE=" " \
     KUBE_TEST_ARGS="-- -test.run='^X' -benchtime=1s -bench=. -benchmem" \