bugfix in imagepreload.go
bugfix in imagepreload.go

shyamjvs/perf-tests,kubernetes/perf-tests,shyamjvs/perf-tests,shyamjvs/perf-tests,shyamjvs/perf-tests,kubernetes/perf-tests,kubernetes/perf-tests,kubernetes/perf-tests,kubernetes/perf-tests,shyamjvs/perf-tests