Update client.go

Signed-off-by: Sabbir <[email protected]>

cassandra/client.go

@@ -2,6 +2,7 @@ package cassandra
 
 import (
 	"fmt"
+	health "kmodules.xyz/client-go/tools/healthchecker"
 	"log"
 
 	"github.com/gocql/gocql"
@@ -79,3 +80,10 @@ func (c *Client) PingCassandra() error {
 	}
 	return nil
 }
+
+func (c *Client) closeCassandraClient(hcf *health.HealthCard) {
+	if c != nil {
+		c.Close()
+	}
+	hcf.ClientClosed()
+}