countnode234() should politely return 0 when passed NULL. Was
authorsimon <simon@cda61777-01e9-0310-a592-d414129be87e>
Mon, 16 Apr 2001 21:24:38 +0000 (21:24 +0000)
committersimon <simon@cda61777-01e9-0310-a592-d414129be87e>
Mon, 16 Apr 2001 21:24:38 +0000 (21:24 +0000)
commitc404e5b3bdd2c7e16cdab6c3bc722425085bb83f
treeff3f917359ca86793d0ffedca286c9c570dcbe88
parentd2371c812a1c62b6a258c0717f1fff263cca8ca1
countnode234() should politely return 0 when passed NULL. Was
breaking delpos234(empty_tree, 0).

git-svn-id: svn://svn.tartarus.org/sgt/putty@1054 cda61777-01e9-0310-a592-d414129be87e
tree234.c