[LTP] ksm: Fix sysfs path concatenation in ksm_test.h

[Andrea Cervesato]

Hi Cyril,

> @Andrea the bot still misses existing patches:
> 
> $ git log 40a366b53adc
> 
> commit 40a366b53adc477d950cc73f071b0cd4ebe25f85
> Author: Li Wang <li.wang@linux.dev>
> Date:   Thu Jun 4 17:41:59 2026 +0800
> 
>     lib: Introduce tst_path_defs.h to consolidate system paths
> 
>     We have a lot of hardcoded strings and duplicated macros for /proc
>     and /sys paths scattered throughout the testcases.
> 
>     This patch introduces a new common header, tst_path_defs.h, to centralize
>     and standardize these path definitions. By unifying these macros, we
>     reduce code duplication, improve maintainability, and ensure consistent
>     path usage across the entire LTP codebase.
> 
>     Signed-off-by: Li Wang <li.wang@linux.dev>
>     Acked-by: Andrea Cervesato <andrea.cervesato@suse.com>
>     Reviewed-by: Cyril Hrubis <chrubis@suse.cz>

Yes I seen, this is really annoying. I will find a way to fix it,
but it's supposed to be fixed already.

--
Andrea Cervesato
SUSE QE Automation Engineer Linux
andrea.cervesato@suse.com