[ruby-dev:7987] a tiny bug in signal.c

	when RETSIGTYPE equals to void, cast to (RETSIGTYPE) will not work.
	(tested on NetBSD 1.4.1)

itojun


---
Index: signal.c
===================================================================
RCS file: /home/cvs/ruby/signal.c,v
retrieving revision 1.3
diff -c -r1.3 signal.c
*** signal.c	1999/10/12 04:53:34	1.3
--- signal.c	1999/10/12 13:26:27
***************
*** 298,304 ****
      sigact.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
  #endif
  #ifdef SA_NOCLDWAIT
!     if (signum == SIGCHLD && handler == (RETSIGTYPE)SIG_IGN)
  	sigact.sa_flags |= SA_NOCLDWAIT;
  #endif
      sigaction(signum, &sigact, 0);
--- 298,304 ----
      sigact.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
  #endif
  #ifdef SA_NOCLDWAIT
!     if (signum == SIGCHLD && handler == SIG_IGN)
  	sigact.sa_flags |= SA_NOCLDWAIT;
  #endif
      sigaction(signum, &sigact, 0);