....
....
/root/rtl8723be/rtl8723be/trx.c: In function ‘rtl8723be_rx_query_desc’:
/root/rtl8723be/rtl8723be/trx.c:621:3: error: implicit declaration of function
‘_ieee80211_is_robust_mgmt_frame’ [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[5]: *** [/root/rtl8723be/rtl8723be/trx.o] Error 1
make[4]: *** [_module_/root/rtl8723be/rtl8723be] Error 2
make[3]: *** [sub-make] Error 2
make[2]: *** [all] Error 2
make[2]: Leaving directory `/usr/src/linux-headers-3.14-kali1-686-pae'
make[1]: *** [default] Error 2
make[1]: Leaving directory `/root/rtl8723be/rtl8723be'
make: *** [all] Error 2