#93 0.6.5 regression leads to extra entries on sys.path

[Mark Hammond]

In 0.6.5 built programs, sys.path contains 2 entries -
the main directory, and the .zip file. This is a
regression introduced in revision 1.30 of start.c.
Specifically, that revision *attempts* to stick with a
single path entry, but neglected to notice a
side-effect of calling PySys_SetArgv is that the
directory portion of sys.argv[0] is added to sys.path.

These extra entries are a regression and causes failure
using libxml2, amongst others.

Attached is a patch to fix this.

[Mark Hammond]

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oops - patch file missed the import-tab.* changes.

[Mark Hammond]

Updated patch

[Mark Hammond]

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Checked in - thanks Jimmy.