shairplay: add respawn config.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

multimedia/shairplay/Makefile

 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=shairplay
-PKG_VERSION:=2014-10-25
+PKG_VERSION:=2014-10-27
 PKG_RELEASE:=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git

multimedia/shairplay/files/shairplay.config

 config shairplay main
 	option disabled '1'
+	option respawn '1'
 	option apname 'AirPlay'
 	option port '5000'
 	option password ''

multimedia/shairplay/files/shairplay.init

 
 start_instance() {
 	local cfg="$1"
+	local aux
 
-	config_get_bool disabled "$cfg" 'disabled' '0'
-	[ "$disabled" = 1 ] && return 1
+	config_get_bool aux "$cfg" 'disabled' '0'
+	[ "$aux" = 1 ] && return 1
 
 	procd_open_instance
 
 	append_arg "$cfg" ao_devicename "--ao_devicename"
 	append_arg "$cfg" ao_deviceid "--ao_deviceid"
 
+	config_get_bool aux "$cfg" 'respawn' '0'
+	[ "$aux" = 1 ] && procd_set_param respawn
+
 	procd_close_instance
 }