Fix SIGSEGV in proxyDialer

Incase of error, the response from net/HTTP ReadResponse is always
nil and no need to close the Body.

Signed-off-by: T K Chandra Hasan <t.k.chandra.hasan@ibm.com>

internal/communicator/ssh/http_proxy.go

@@ -100,7 +100,6 @@ func (p *proxyDialer) Dial(network, addr string) (net.Conn, error) {
 	res, err := http.ReadResponse(bufio.NewReader(c), req)
 
 	if err != nil {
-		res.Body.Close()
 		c.Close()
 		return nil, err
 	}