[DynInst_API:] [dyninst/dyninst] cdb1a0: Fix warnings

[Peter Foley <pefoley2@xxxxxxxxxxx>]

  Branch: refs/heads/master
  Home:   https://github.com/dyninst/dyninst
  Commit: cdb1a0c0ec01b4af4a19ca2cd04a6987ed7daedb
      https://github.com/dyninst/dyninst/commit/cdb1a0c0ec01b4af4a19ca2cd04a6987ed7daedb
  Author: Peter Foley <pefoley2@xxxxxxxxxxx>
  Date:   2017-01-29 (Sun, 29 Jan 2017)

  Changed paths:
    M common/src/dyn_regs.C
    M parseAPI/src/IndirectASTVisitor.C
    M proccontrol/src/linux.C
    M symtabAPI/src/Object-elf.C

  Log Message:
  -----------
  Fix warnings