egl: add missing link against $(CLOCK_LIB)
egl: add missing link against $(CLOCK_LIB)

Some platforms require separate library in order to resolve the
clock_gettime() symbol. Add the link or the build will fail.

Fixes: 70299474f58 ("egl: add EGL_KHR_reusable_sync to egl_dri")

Cc: Dongwon Kim <6f57eff984fc435f216ec53a6b54c5a2170a0e25@intel.com>
Reported-by: Pali Rohár <271b10744f2b592adf8fde144d536c86b011b93c@gmail.com>
Tested-by: Pali Rohár <271b10744f2b592adf8fde144d536c86b011b93c@gmail.com>
Signed-off-by: Emil Velikov <4c996f2f093ddd0585a556460b4cc3ba555546ef@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler