Move do_sleep() from helper.c --> util.c

This move makes it possible to share the code between the Finit daemon
and its client tools.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

util.c

@@ -36,6 +36,13 @@ char *progname(char *arg0)
        return prognm;
 }
 
+void do_sleep(unsigned int sec)
+{
+	while ((sec = sleep(sec)))
+		;
+}
+
+
 /**
  * Local Variables:
  *  indent-tabs-mode: t