support system-specific scripts in safe_asterisk, before starting Asterisk proper

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@21638 65c4cc65-6c06-0410-ace0-fbb531ad65f3

contrib/scripts/safe_asterisk

@@ -34,9 +34,17 @@ fi
 #
 ulimit -c unlimited
 
-#launch_asterisk()
-#{
-#}
+#
+# Run scripts to set any environment variables or do any other system-specific setup needed
+#
+
+if [ -d /etc/asterisk/startup.d ]; then
+	for script in /etc/asterisk/startup.d/*.sh; do
+		if [ -x ${script} ]; then
+			source ${script}
+		fi
+	done
+fi
 
 run_asterisk()
 {