luci-app-statistics: fix german translation
luci-app-statistics: fix german translation

... of the msgid "Wireless".

The luci-base also use the same msgid "Wireless", where it is translated
with "WLAN".

The translation in luci-app-statistics overlays the translation in
luci-base, so use the same translation here.

Signed-off-by: Martin Schiller <26cc3217be640e8220112c25628da6e11c78db95@dev.tdt.de>

nmav/luci,openwrt/luci,hnyman/luci,nmav/luci,hnyman/luci,lbthomsen/openwrt-luci,openwrt/luci,artynet/luci,tobiaswaldvogel/luci,hnyman/luci,tobiaswaldvogel/luci,nmav/luci,openwrt/luci,tobiaswaldvogel/luci,hnyman/luci,hnyman/luci,nmav/luci,artynet/luci,openwrt/luci,nmav/luci,tobiaswaldvogel/luci,openwrt/luci,rogerpueyo/luci,tobiaswaldvogel/luci,nmav/luci,rogerpueyo/luci,lbthomsen/openwrt-luci,rogerpueyo/luci,rogerpueyo/luci,openwrt/luci,tobiaswaldvogel/luci,rogerpueyo/luci,openwrt/luci,hnyman/luci,artynet/luci,rogerpueyo/luci,lbthomsen/openwrt-luci,artynet/luci,artynet/luci,nmav/luci,lbthomsen/openwrt-luci,tobiaswaldvogel/luci,openwrt/luci,hnyman/luci,rogerpueyo/luci,nmav/luci,lbthomsen/openwrt-luci,nmav/luci,artynet/luci,tobiaswaldvogel/luci,artynet/luci,rogerpueyo/luci,lbthomsen/openwrt-luci,lbthomsen/openwrt-luci,hnyman/luci,artynet/luci,lbthomsen/openwrt-luci,artynet/luci