message: Reflect absense of ABI in cygwin DLL name: in autoconf too
diff: @@ -8,7 +8,7 @@ dnl Needed for AC_PATH_PROGS_FEATURE_CHECK which was added in 2.62
  AC_PREREQ([2.62])
  dnl Keep the version number in sync with version.h!
  AC_INIT([znc], [1.7.x])
  -LIBZNC_VERSION=1.7
  +LIBZNC_VERSION=1.7.x
  AC_CONFIG_MACRO_DIR([m4])
  AC_CONFIG_SRCDIR([src/znc.cpp])
  AC_LANG([C++])
  