Fix off-by-one error in address lookup

Author: peadar

elf.cc

@@ -150,7 +150,7 @@ Object::getSegmentForAddress(Off a) const
 
  auto pos = std::lower_bound(hdrs.begin(), hdrs.end(), a,
  [] (const Elf::Phdr &header, Elf::Off addr) {
- return header.p_vaddr + header.p_memsz < addr; });
+ return header.p_vaddr + header.p_memsz <= addr; });
  if (pos != hdrs.end() && pos->p_vaddr <= a) {
  lastSegmentForAddress = &*pos;
  return lastSegmentForAddress;