luci-app-rp-pppoe: Fix typo
luci-app-rp-pppoe: Fix typo

Signed-off-by: Kevin Darbyshire-Bryant <4499545e88bc2fc047e1f8ecc9978bd6eb652283@darbyshire-bryant.me.uk>

kuoruan/luci,chris5560/openwrt-luci,tobiaswaldvogel/luci,rogerpueyo/luci,Noltari/luci,lbthomsen/openwrt-luci,artynet/luci,chris5560/openwrt-luci,lbthomsen/openwrt-luci,nmav/luci,hnyman/luci,tobiaswaldvogel/luci,hnyman/luci,Noltari/luci,openwrt/luci,Noltari/luci,lbthomsen/openwrt-luci,kuoruan/lede-luci,wongsyrone/luci-1,openwrt-es/openwrt-luci,chris5560/openwrt-luci,nmav/luci,openwrt-es/openwrt-luci,openwrt-es/openwrt-luci,hnyman/luci,artynet/luci,chris5560/openwrt-luci,lbthomsen/openwrt-luci,rogerpueyo/luci,nmav/luci,rogerpueyo/luci,openwrt/luci,kuoruan/luci,openwrt-es/openwrt-luci,chris5560/openwrt-luci,artynet/luci,openwrt-es/openwrt-luci,tobiaswaldvogel/luci,rogerpueyo/luci,artynet/luci,nmav/luci,rogerpueyo/luci,openwrt-es/openwrt-luci,artynet/luci,kuoruan/luci,lbthomsen/openwrt-luci,nmav/luci,artynet/luci,tobiaswaldvogel/luci,wongsyrone/luci-1,Noltari/luci,kuoruan/luci,nmav/luci,openwrt/luci,wongsyrone/luci-1,lbthomsen/openwrt-luci,hnyman/luci,wongsyrone/luci-1,tobiaswaldvogel/luci,Noltari/luci,kuoruan/luci,wongsyrone/luci-1,kuoruan/luci,lbthomsen/openwrt-luci,openwrt/luci,tobiaswaldvogel/luci,Noltari/luci,artynet/luci,chris5560/openwrt-luci,lbthomsen/openwrt-luci,openwrt-es/openwrt-luci,artynet/luci,kuoruan/lede-luci,artynet/luci,wongsyrone/luci-1,nmav/luci,kuoruan/lede-luci,chris5560/openwrt-luci,Noltari/luci,hnyman/luci,kuoruan/lede-luci,openwrt-es/openwrt-luci,openwrt/luci,nmav/luci,hnyman/luci,kuoruan/lede-luci,openwrt/luci,hnyman/luci,tobiaswaldvogel/luci,kuoruan/luci,tobiaswaldvogel/luci,hnyman/luci,Noltari/luci,rogerpueyo/luci,kuoruan/luci,openwrt/luci,openwrt/luci,nmav/luci,kuoruan/lede-luci,Noltari/luci,chris5560/openwrt-luci,rogerpueyo/luci,kuoruan/lede-luci,wongsyrone/luci-1,wongsyrone/luci-1,rogerpueyo/luci,kuoruan/lede-luci