mod_smacks: Fix to use current method of counting acked stanzas Fixes #1757 These places seem to have been left since e62025f949f9 The logic around expected_h in should_ack() misbehaved, always comparing with 0 + unacked instead of acked + unacked.

all: prosodyctl.man

%.man: %.markdown
	pandoc -s -t man -o $@ $^