message: fix man makefile
diff: dist_man1_MANS=
  if BUILD_BITCOIND
  - dist_man1_MANS+=bitcoind.1
  + dist_man1_MANS+=peercoind.1
  endif
  if ENABLE_QT
  - dist_man1_MANS+=bitcoin-qt.1
  + dist_man1_MANS+=peercoin-qt.1
  endif
  if BUILD_BITCOIN_UTILS
  - dist_man1_MANS+=bitcoin-cli.1 bitcoin-tx.1
  + dist_man1_MANS+=peercoin-cli.1 peercoin-tx.1
  endif
  