message: Add version tracker tag
diff: @@ -17,7 +17,7 @@ h5-alloc = []
  [dependencies]
  ascii = "1.0"
  libc = "0.2"
  -hdf5-sys = { version = "0.7.1", path = "../hdf5-sys" }
  +hdf5-sys = { version = "0.7.1", path = "../hdf5-sys" } # !V
  cfg-if = "1.0.0"
  [dev-dependencies]
  