[SUNRPC]: net/* NULL noise

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sunrpc/auth_gss/gss_mech_switch.c

@@ -317,7 +317,7 @@ gss_delete_sec_context(struct gss_ctx	**context_handle)
 
 	if (!*context_handle)
 		return(GSS_S_NO_CONTEXT);
-	if ((*context_handle)->internal_ctx_id != 0)
+	if ((*context_handle)->internal_ctx_id)
 		(*context_handle)->mech_type->gm_ops
 			->gss_delete_sec_context((*context_handle)
 							->internal_ctx_id);