chore(util/rc): remove unnecessary argument from LEAN_COPY_REF and LEAN_MOVE_REF macros

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
fix(cmake): fix problem of using LuaJit on OSX(64-bit)

http://luajit.org/install.html

If you're building a 64 bit application on OSX which links directly or
indirectly against LuaJIT, you need to link your main executable with
these flags:

    -pagezero_size 10000 -image_base 100000000