bug#29567: [PATCH] src/xterm.c: use 'thickness' only in a case of !USE_CAIRO

[Alexander Kuleshov]

On Tue, Dec 5, 2017 at 2:05 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Alexander Kuleshov <kuleshovmail@gmail.com>
>> Date: Tue, 5 Dec 2017 00:11:47 +0600
>>
>> I've attached simple patch with moving of the `thickness` var
>> (from the x_draw_underwave() src/xterm.c) a little bit below, to get rid of:
>>
>> xterm.c:3520:61: error: unused variable 'thickness' 
>> [-Werror,-Wunused-variable]
>>   int wave_height = 3 * scale_y, wave_length = 2 * scale_x, thickness = 
>> scale_y;
>>
>> as this variable is used only in a case of !USE_CAIRO
>
> Thanks.  Did the patched source compile for you in the !USE_CAIRO
> case?  Because 'thickness' needs to be declared as 'int' before it can
> be used.
>
> So I installed a slightly different change to avoid the warning.

Ah yes, yes, it should be defined before.

Thank you.