fix(bucketclient): wrap call to putBucketAttributes
fix(bucketclient): wrap call to putBucketAttributes

The server would crash without it.

truststamp/S3,scality/S3,lucisilv/Silviu_S3-Antidote,truststamp/S3,lucisilv/Silviu_S3-Antidote,truststamp/S3,tomateos/S3,scality/S3,lucisilv/Silviu_S3-Antidote,truststamp/S3,tomateos/S3,tomateos/S3,lucisilv/Silviu_S3-Antidote,tomateos/S3,lucisilv/Silviu_S3-Antidote,truststamp/S3,tomateos/S3,truststamp/S3,lucisilv/Silviu_S3-Antidote,scality/S3,lucisilv/Silviu_S3-Antidote,scality/S3,scality/S3,tomateos/S3,tomateos/S3,scality/S3,scality/S3,lucisilv/Silviu_S3-Antidote,scality/S3,truststamp/S3,truststamp/S3,tomateos/S3