Preprocessor definitions for libGL x64

Change-Id: Ic50ce5e9a3a72c04a1894a76d34d2fd020a693e8
Reviewed-on: https://swiftshader-review.googlesource.com/3002
Tested-by: Maxime Grégoire <mgregoire@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
1 file changed