CLDSRV-625: Fix kmip conf ca array

The function uses `this`
It needed to be either bound or called on `this`

Author: BourgoisMickael

lib/Config.js

@@ -1100,7 +1100,7 @@ class Config extends EventEmitter {
                                             undefined),
                     ca: (process.env.S3KMIP_CA
                          ? process.env.S3KMIP_CA.split(',')
-                         : []).map(this._loadTlsFile),
+                         : []).map(ca => this._loadTlsFile(ca)),
                 },
             },
         };
@@ -1151,7 +1151,7 @@ class Config extends EventEmitter {
                         this.kmip.transport.tls.cert = this._loadTlsFile(cert);
                     }
                     if (Array.isArray(ca)) {
-                        this.kmip.transport.tls.ca = ca.map(this._loadTlsFile);
+                        this.kmip.transport.tls.ca = ca.map(ca => this._loadTlsFile(ca));
                     } else {
                         this.kmip.transport.tls.ca = this._loadTlsFile(ca);
                     }