[FAB-15757] fix the typo in the comments
[FAB-15757] fix the typo in the comments

fix the typo in the comments for the function ‘ConstructNamespaceDBName’
chainName_namespace$$pcollection => chainName_namespace$$collection

Signed-off-by: yjchang21 <c3a08dab24d9eed9287ffae5d09660d86d1f81c9@gmail.com>
Change-Id: I18b6ff6ce21b81ec1fd274234aef1e029267b6b0

stemlending/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric,muralisrini/fabric,manish-sethi/fabric-sidedb,muralisrini/fabric,manish-sethi/fabric-sidedb,binhn/fabric,hyperledger/fabric,binhn/fabric,binhn/fabric,manish-sethi/fabric-sidedb,jimthematrix/fabric,muralisrini/fabric,hyperledger/fabric,stemlending/fabric,manish-sethi/fabric,jimthematrix/fabric,manish-sethi/fabric-sidedb,stemlending/fabric