[DynInst_API:] [dyninst/dyninst] f9c8c7: Fix uninitialized return value in line info

[Xiaozhu Meng <xmeng@xxxxxxxxxxx>]

  Branch: refs/heads/v9.3.x
  Home:   https://github.com/dyninst/dyninst
  Commit: f9c8c70c0a808beed50cb2cc4284922d82e7363f
      https://github.com/dyninst/dyninst/commit/f9c8c70c0a808beed50cb2cc4284922d82e7363f
  Author: Xiaozhu Meng <xmeng@xxxxxxxxxxx>
  Date:   2017-08-29 (Tue, 29 Aug 2017)

  Changed paths:
    M symtabAPI/src/LineInformation.C

  Log Message:
  -----------
  Fix uninitialized return value in line info


  Commit: 42c1b3c027d88b504259f6b02c89a05e0af95165
      https://github.com/dyninst/dyninst/commit/42c1b3c027d88b504259f6b02c89a05e0af95165
  Author: Xiaozhu Meng <xmeng@xxxxxxxxxxx>
  Date:   2017-08-29 (Tue, 29 Aug 2017)

  Changed paths:
    M dyninstAPI/src/dynProcess.C

  Log Message:
  -----------
  We should only set proccontrol level process's data to NULL when the Dyninst level process is the only owner of the proccontrol level process


Compare: https://github.com/dyninst/dyninst/compare/901ebfbe2dde...42c1b3c027d8