tools: tar: backport patch for paxlib shipped in tar

tools: tar: backport patch for paxlib shipped in tar

Tar 1.34 ship an old version of paxlib with rtapelib.c that produce some
compilation warning. This library got updated in 1.35 but we still can't
use the new Tar version.

GCC 14 then made these compilarion warning errors.

Manually backport the fixes to rtapelib.c and patch the version shipped
in 1.34 to fix these compilation warning.

Fixes: #15692
Fixes: 2951e0a80e9f ("tools: tar: backport patches fixing broken --delete")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>