Correct sendemail.smtppass

The code referenced the wrong configuration variable.  We really
meant sendemail.smtppass to be compatible with git-send-email's
configuration parameters.

Bug: issue 315
Change-Id: Ic11eafe84073f757d8e9ca7b92d97777e5163d06
Signed-off-by: Shawn O. Pearce <sop@google.com>
1 file changed