crash: fix build with gcc-15

* to fix: following erros occured in gcc-15.0.1 environment.
signals.c: In function '_rl_signal_handler':
signals.c:62:36: error: 'return' with a value, in function returning void [-Wreturn-mismatch]
   62 | #  define SIGHANDLER_RETURN return (0)
      |                                    ^
signals.c:160:3: note: in expansion of macro 'SIGHANDLER_RETURN'
  160 |   SIGHANDLER_RETURN;
      |   ^~~~~~~~~~~~~~~~~
signals.c:141:1: note: declared here
  141 | _rl_signal_handler (int sig)
      | ^~~~~~~~~~~~~~~~~~
signals.c: In function 'rl_set_sighandler':
signals.c:343:18: error: assignment to '__sighandler_t' {aka 'void (*)(int)'} from incompatible pointer type 'void (*)(void)' [-Wincompatible-pointer-types]
  343 |   act.sa_handler = handler;
      |                  ^
In file included from signals.c:30:
recipe-sysroot/usr/include/signal.h:72:16: note: '__sighandler_t' declared here
   72 | typedef void (*__sighandler_t) (int);
      |                ^~~~~~~~~~~~~~

Signed-off-by: mark.yang <mark.yang@lge.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

0 files changed, 0 insertions, 0 deletions