ChangeLog: Strip trailing whitespace
ChangeLog: Strip trailing whitespace

Signed-off-by: W. Trevor King <f75897670c17327c42ab201733fb8a81ff9f4c34@tremily.us>

ujuc/specs,wking/opencontainer-runtime-spec,opencontainers/specs,laijs/specs,wking/opencontainer-specs,opencontainers/runtime-spec,vbatts/specs,hqhq/specs,jonboulle/specs,cloudfoundry-incubator/specs,hqhq/runtime-spec