simpleinit: remove deprecated sigsetmask()

The sigsetmask() is deprecated in favor of sigprocmask().

This is not needed upstream since simpleinit is removed from
util-linux-ng master

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

Upstream-Status: Inappropriate

Index: util-linux-2.19.1/simpleinit/shutdown.c
===================================================================
--- util-linux-2.19.1.orig/simpleinit/shutdown.c	2011-03-04 03:47:47.000000000 -0800
+++ util-linux-2.19.1/simpleinit/shutdown.c	2011-07-06 08:43:39.183849752 -0700
@@ -145,7 +145,7 @@
 {
 	int c, i, fd;
 	char *ptr;
-
+	sigset_t sigmask;
 	i = getdtablesize ();
 	for (fd = 3; fd < i; fd++) close (fd);
 	if (getpid () == 1)
@@ -153,7 +153,9 @@
 	    for (fd = 0; fd < 3; fd++) close (fd);
 	    while (1) wait (NULL);  /*  Grim reaper never stops  */
 	}
-	sigsetmask (0); /*  simpleinit(8) blocks all signals: undo for ALRM  */
+	/*  simpleinit(8) blocks all signals: undo for ALRM  */
+	sigemptyset(&sigmask);
+	sigprocmask (SIG_SETMASK, &sigmask, NULL);
 	for (i = 1; i < NSIG; i++) signal (i, SIG_DFL);
 
         setlocale(LC_ALL, "");