fix arch linux build.
fix arch linux build.

ThomasAdam/rofi,jubalh/rofi,stettberger/rofi,jreinert/rofi,carnager/rofi,carnager/rofi,t-wissmann/rofi,daemonl/rofi,t-wissmann/rofi,carnager/rofi,ThomasAdam/rofi,stettberger/rofi,eigengrau/rofi,eigengrau/rofi,jreinert/rofi,daemonl/rofi,jubalh/rofi