ntdll: make sure ill_handler() and bus_handler() are used on Sparc

[Austin English]

-- 
-Austin
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diff --git a/dlls/ntdll/signal_sparc.c b/dlls/ntdll/signal_sparc.c
index 660bc9c..318e5a9 100644
--- a/dlls/ntdll/signal_sparc.c
+++ b/dlls/ntdll/signal_sparc.c
@@ -797,8 +797,10 @@ void signal_init_process(void)
 
     sig_act.sa_sigaction = segv_handler;
     if (sigaction( SIGSEGV, &sig_act, NULL ) == -1) goto error;
+    sig_act.sa_sigaction = ill_handler;
     if (sigaction( SIGILL, &sig_act, NULL ) == -1) goto error;
 #ifdef SIGBUS
+    sig_act.sa_sigaction = bus_handler;
     if (sigaction( SIGBUS, &sig_act, NULL ) == -1) goto error;
 #endif