resolve helm filename from buffer properly

[lewang]

In my case the buffer-name is different to the file-name which causes an error. The fix here tries to go from buffer-name->buffer->filename.

[lewang]

@thierryvolpiatto Can you have a look?

[lewang]

hrm I think https://github.com/mhayashi1120/Emacs-wgrep/pull/38 does something similar, I forgot that was done

[thierryvolpiatto]

Le Wang [email protected] writes:

@thierryvolpiatto Can you have a look?

Please describe exactly what you are doing and what's wrong.

Thanks.

-- Thierry