message: Bump version: 0.17.3
diff: @@ -2,7 +2,7 @@ dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
  AC_PREREQ([2.60])
  define(_CLIENT_VERSION_MAJOR, 0)
  define(_CLIENT_VERSION_MINOR, 17)
  -define(_CLIENT_VERSION_REVISION, 2)
  +define(_CLIENT_VERSION_REVISION, 3)
  define(_CLIENT_VERSION_BUILD, 0)
  define(_CLIENT_VERSION_IS_RELEASE, false)
  define(_COPYRIGHT_YEAR, 2018)
  