Patch: Fix the bug that getbufvar() returned improper dictionary of variables

[Kana Natsuno]

Hello, Vimmers.

I found a bug in getbufvar(). With {varname} == "", it returns
the dictionary of variables which are local to the current buffer
instead of the buffer specified by {expr}. It should return the
dictionary for the latter buffer.

I wrote a patch to fix this bug. See the attached file.

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[Bram Moolenaar]

Kana Natsuno wrote:

> I found a bug in getbufvar(). With {varname} =3D=3D "", it returns

> the dictionary of variables which are local to the current buffer
> instead of the buffer specified by {expr}. It should return the
> dictionary for the latter buffer.
>
> I wrote a patch to fix this bug. See the attached file.

Thanks, I'll include it.

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