run2.exe segfaults when GDI and X11 elements are present

[Ken Brown]

Here's a simple test case, run from an xterm window:

$ cat test.xml
<?xml version="1.0" encoding="us-ascii"?>
<Run2Config
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
  xsi:noNamespaceSchemaLocation="run2.xsd">
  <SelfOptions>
  </SelfOptions>
  <Global>
    <Environment>
    </Environment>
  </Global>
  <GDI>
    <Environment>
    </Environment>
    <Target filename="/usr/bin/mintty.exe" startin="~">
      <Arg>-e /bin/bash</Arg>
    </Target>
  </GDI>
  <X11>
    <Environment>
    </Environment>
    <Target filename="/usr/bin/xterm.exe" startin="~">
      <Arg>-d 127.0.0.1:0.0</Arg>
    </Target>
  </X11>
</Run2Config>

$ run2 --debug test.xml
setting debug level to (null)
run2.exe DEBUG: xmlfile     : 'test.xml'
run2.exe DEBUG: opt_loglevel: 7
run2.exe DEBUG: opt_nogui   : 0
run2.exe DEBUG: opt_notty   : 0
run2.exe DEBUG: opt_timeout :  0.50
run2.exe DEBUG: opt_wait    : 0
run2.exe DEBUG: opt_force   : auto
run2.exe Info: test.xml validated
test.xml:
  SelfOptions:
  Global:
    Environment:
  GDI:
    Environment:
    Target:
      filename: '/usr/bin/mintty.exe'
      startin: '~'
      argv[0]: '-e'
      argv[1]: '/bin/bash'
  X11:
    Environment:
    Target:
      filename: '/usr/bin/xterm.exe'
      startin: '~'
      argv[0]: '-d'
      argv[1]: '127.0.0.1:0.0'
run2.exe DEBUG: xmlfile     : 'test.xml'
run2.exe DEBUG: opt_loglevel: 7
run2.exe DEBUG: opt_nogui   : 0
run2.exe DEBUG: opt_notty   : 0
run2.exe DEBUG: opt_timeout :  0.50
run2.exe DEBUG: opt_wait    : 0
run2.exe DEBUG: opt_force   : auto
Segmentation fault (core dumped)

Ken

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