git-send-email: Better handling of EOF
git-send-email: Better handling of EOF

Before, when the user sent the EOF control character, the
prompts would be repeated on the same line as the previous
prompt.

Now, repeat prompts display on separate lines.

Signed-off-by: Michael Witten <d27909578f951e4c68b030a5251d5e11d9ec440e@mit.edu>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git