stream_wrap: update after libuv API change

src/stream_wrap.cc

@@ -129,11 +129,11 @@ inline char* StreamWrap::NewSlab(Handle<Object> global,
 }
 
 
-uv_buf_t StreamWrap::OnAlloc(uv_stream_t* handle, size_t suggested_size) {
+uv_buf_t StreamWrap::OnAlloc(uv_handle_t* handle, size_t suggested_size) {
   HandleScope scope;
 
   StreamWrap* wrap = static_cast<StreamWrap*>(handle->data);
-  assert(wrap->stream_ == handle);
+  assert(wrap->stream_ == reinterpret_cast<uv_stream_t*>(handle));
 
   char* slab = NULL;
 
@@ -165,7 +165,7 @@ uv_buf_t StreamWrap::OnAlloc(uv_stream_t* handle, size_t suggested_size) {
   wrap->slab_offset_ = slab_used;
   slab_used += buf.len;
 
-  handle_that_last_alloced = handle;
+  handle_that_last_alloced = reinterpret_cast<uv_stream_t*>(handle);
 
   return buf;
 }

src/stream_wrap.h

@@ -31,7 +31,7 @@ class StreamWrap : public HandleWrap {
 
   // Callbacks for libuv
   static void AfterWrite(uv_write_t* req, int status);
-  static uv_buf_t OnAlloc(uv_stream_t* handle, size_t suggested_size);
+  static uv_buf_t OnAlloc(uv_handle_t* handle, size_t suggested_size);
   static void OnRead(uv_stream_t* handle, ssize_t nread, uv_buf_t buf);
   static void AfterShutdown(uv_shutdown_t* req, int status);