Fixes the following build issue, when building without libudev. CCLD libGL.la ./.libs/libglx.a(dri2_glx.o): In function `dri2CreateScreen': src/glx/dri2_glx.c:1186: undefined reference to `loader_open_device' collect2: ld returned 1 exit status CCLD libEGL.la Undefined symbols for architecture x86_64: "_loader_open_device", referenced from: _dri2_initialize_x11_dri2 in libegl_dri2.a(platform_x11.o) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91077 Signed-off-by: Julien Isorce <j.isorce@samsung.com> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>