runtime: fix typo in comment (object -> objects)
runtime: fix typo in comment (object -> objects)

Change-Id: I2af1f9dcd1a9609681e58ab07e73e6d7a5f8a12b
Reviewed-on: https://go-review.googlesource.com/c/go/+/237160
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

akutz/go,golang/go,CAFxX/go,nawawi/go,CAFxX/go,akutz/go,nawawi/go,golang/go,golang/go,cloudflare/go,nawawi/go,golang/go,golang/go,CAFxX/go,CAFxX/go,CAFxX/go,nawawi/go,akutz/go,cloudflare/go,akutz/go,golang/go,nawawi/go,cloudflare/go,cloudflare/go,nawawi/go,golang/go,cloudflare/go,akutz/go,golang/go,cloudflare/go,CAFxX/go,CAFxX/go,cloudflare/go,nawawi/go,nawawi/go,akutz/go,cloudflare/go,CAFxX/go,akutz/go,akutz/go