llvmpile: drop glu dependency
Vestigial reference which accidentally got in.
Fixes: !529 (merged)
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
OPENGL_glu_LIBRARY (ADVANCED)
Signed-off-by: David Heidelberg david.heidelberg@collabora.com
/cc @sroland