staging: lustre: lustre: obdecho: expand the GOTO macro in echo_client.c

The GOTO macro is not standard in Linux. The following Coccinelle semantic patch was used to expand the GOTO macro.

@@
identifier lbl;
identifier rc;
constant c;
@@

- GOTO(lbl,\(rc\|c\));
+ goto lbl;
@@
identifier lbl;
expression rc;
@@

- GOTO(lbl,rc);
+ rc;
+ goto lbl;

Signed-off-by: Jiayi Ye <yejiayily@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>