fix linux internal-DR build failure
fix linux internal-DR build failure

SVN-Revision: 755

sigma-random/drmemory,LohithBlaze/drmemory,LohithBlaze/drmemory,code4bones/drmemory,LohithBlaze/drmemory,LohithBlaze/drmemory,code4bones/drmemory,LohithBlaze/drmemory,code4bones/drmemory,code4bones/drmemory,sigma-random/drmemory,sigma-random/drmemory,sigma-random/drmemory,sigma-random/drmemory,code4bones/drmemory