Remove unused variables.

Signed-off-by: OGINO Masanori <masanori.ogino@gmail.com>

src/librustc/middle/trans/base.rs

@@ -2258,15 +2258,13 @@ pub fn register_fn_full(ccx: @mut CrateContext,
                         node_type: ty::t)
                      -> ValueRef {
     let llfty = type_of_fn_from_ty(ccx, node_type);
-    register_fn_fuller(ccx, sp, sym, node_id, node_type,
-                       lib::llvm::CCallConv, llfty)
+    register_fn_fuller(ccx, sp, sym, node_id, lib::llvm::CCallConv, llfty)
 }
 
 pub fn register_fn_fuller(ccx: @mut CrateContext,
                           sp: span,
                           sym: ~str,
                           node_id: ast::NodeId,
-                          _node_type: ty::t,
                           cc: lib::llvm::CallConv,
                           fn_ty: Type)
                           -> ValueRef {

src/librustc/middle/trans/foreign.rs

@@ -1154,17 +1154,10 @@ pub fn register_foreign_fn(ccx: @mut CrateContext,
                            -> ValueRef {
     let _icx = push_ctxt("foreign::register_foreign_fn");
 
-    let t = ty::node_id_to_type(ccx.tcx, node_id);
     let sym = Cell::new(sym);
 
     let tys = shim_types(ccx, node_id);
     do tys.fn_ty.decl_fn |fnty| {
-        register_fn_fuller(ccx,
-                           sp,
-                           sym.take(),
-                           node_id,
-                           t,
-                           lib::llvm::CCallConv,
-                           fnty)
+        register_fn_fuller(ccx, sp, sym.take(), node_id, lib::llvm::CCallConv, fnty)
     }
 }