(sys_signal): Use 0, not NULL, to set sa_flags.

diff --git a/src/sysdep.c b/src/sysdep.c
index 1e3904c..c067ffa 100644 (file)
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -2113,7 +2113,7 @@ sys_signal (int signal_number, signal_handler_t action)
 #else
   sigemptyset (&new_action.sa_mask);
   new_action.sa_handler = action;
-  new_action.sa_flags = NULL;
+  new_action.sa_flags = 0;
   sigaction (signal_number, &new_action, &old_action);
   return (old_action.sa_handler);
 #endif /* DGUX */