A zero-length return from platform_get_x_display() (for instance, a
authorjacob <jacob@cda61777-01e9-0310-a592-d414129be87e>
Sat, 11 Feb 2006 18:00:23 +0000 (18:00 +0000)
committerjacob <jacob@cda61777-01e9-0310-a592-d414129be87e>
Sat, 11 Feb 2006 18:00:23 +0000 (18:00 +0000)
zero-length DISPLAY variable in the environment) caused an assertion
failure when X11 forwarding was attempted. Fixed (now treated the same
as a NULL return, e.g., a non-existent DISPLAY variable).

git-svn-id: svn://svn.tartarus.org/sgt/putty@6549 cda61777-01e9-0310-a592-d414129be87e


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