i#253: initialize auxarg even if free base is NULL fixes issue 253
i#253: initialize auxarg even if free base is NULL
fixes issue 253

SVN-Revision: 130

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