i#1069: more accurately calculate the size of routines in the .replace section.  Punting on more complex scheme for now b/c the section is smaller than a page so the order assumption works out.
i#1069: more accurately calculate the size of routines in the .replace
section.  Punting on more complex scheme for now b/c the section is smaller
than a page so the order assumption works out.

SVN-Revision: 1090

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