x11_egl: only append library path if it's not empty
[platform/upstream/VK-GL-CTS.git] / targets /
drwxr-xr-x   ..
drwxr-xr-x - android
drwxr-xr-x - default
drwxr-xr-x - ios
drwxr-xr-x - null
drwxr-xr-x - nullws
drwxr-xr-x - osx
drwxr-xr-x - raspi
drwxr-xr-x - surfaceless
drwxr-xr-x - wayland
drwxr-xr-x - x11_egl
drwxr-xr-x - x11_egl_glx
drwxr-xr-x - x11_glx