Updated ham/fldigi to 3.23.20
-----------------------------
=Version 3.23.20=

2017-01-05  David Freese  <iam_w1hkj@w1hkj.com>

        5c45632: N3FJP Winter FD
        3119c92: FELD raster display
        ca8daf3: ARQ PTT

2016-12-25  John Phelps  <kl4yfd@gmail.com>

        de339d7: NEW micro modes

2016-12-24  David Freese  <iam_w1hkj@w1hkj.com>

        1a8f982: Socket connect
        6219ac9: pskreporter query

(mef)