message: specify that ldl functions come from ldl lib...
diff: @@ -12,6 +12,7 @@ pub const LDL_MAIN_VERSION: usize = 2;
  pub const LDL_SUB_VERSION: usize = 1;
  pub const LDL_SUBSUB_VERSION: usize = 0;
  +#[link(name = "ldl")]
  extern "C" {
  pub fn ldl_symbolic(n: ldl_int,
  ap: *mut ldl_int,
  