Log Message:
1) Determine JAVA_ARCH and use that instead of EMUL_ARCH when referenceing
   installed files.  (This fixes a libX11.so.6 symlink creation bug).

2) Correct PLIST.linux-x86_64 now that the above symlink bug is fixed and
   use the ${PLIST.x11} plist var.

Should fix PR pkg/45283.