message: For some reason mmap_win32 isn't picked up in gitian, so include it always
diff: @@ -505,6 +505,7 @@ libbitcoin_common_a_SOURCES = \
  cpp-ethereum/libethash/io.h \
  cpp-ethereum/libethash/ethash.h \
  cpp-ethereum/libethash/internal.h \
  + cpp-ethereum/libethash/mmap_win32.c \
  cpp-ethereum/utils/json_spirit/JsonSpiritHeaders.h \
  cpp-ethereum/utils/json_spirit/json_spirit.h \
  cpp-ethereum/utils/json_spirit/json_spirit_error_position.h \
  @@ -522,7 +523,6 @@ libbitcoin_common_a_SOURCES = \
  if TARGET_WINDOWS
  libbitcoin_common_a_SOURCES += \
  cpp-ethereum/libethash/io_win32.c \
  - cpp-ethereum/libethash/mmap_win32.c \
  cpp-ethereum/libethash/util_win32.c
  else
  libbitcoin_common_a_SOURCES += cpp-ethereum/libethash/io_posix.c
  