add support COMPAT_LINUX32 for aarch64
branches: 1.1.2; 1.1.10; 1.1.16; 1.1.22;Add initial (but unfinished) COMPAT_LINUX32 for amd64. This is good enough sothat the i386 license manager part of amd64 version of Fluent works.While I'm here, add SysV IPC to COMPAT_LINUX/amd64