Aaron Lindsay 3c88e46f1a send-email: avoid empty transfer encoding header ...

Fix a small bug introduced by "7a36987ff (send-email: add an auto option
for transfer encoding, 2018-07-14)".

I saw the following message when setting --transfer-encoding for a file
with the same encoding:

    $ git send-email --transfer-encoding=8bit example.patch
    Use of uninitialized value $xfer_encoding in concatenation (.) or string
    at /usr/lib/git-core/git-send-email line 1744.

The new tests are by brian m. carlson.

Signed-off-by: Aaron Lindsay <aaron@aclindsay.com>
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2018-11-02 23:59:53 +09:00

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