nat-rtsp FTBFS with linux-hwe-6.8

[Paolo Pisati]

[Impact]

...
/var/lib/dkms/nat-rtsp/0.7+5.3/build/nf_conntrack_rtsp.c: In function ‘init’:
/var/lib/dkms/nat-rtsp/0.7+5.3/build/nf_conntrack_rtsp.c:553:17: error: implicit declaration of function ‘strlcpy’; did you mean ‘strscpy’? [-Werror=implicit-function-declaration]
  553 | strlcpy(hlpr->name, tmpname, sizeof(hlpr->name));
      | ^~~~~~~
      | strscpy
...

[Fix]

Apply the attached fix.

[How to test]

Install, rebuild and load the fixed package with GA and HWE kernels.

[Regression potential]

None, the fix replaces an occurrence of the deprecated strlcpy() with strscpy().