src: fix some recently introduced coverity issues

Signed-off-by: Michael Dawson <mdawson@devrus.com>

PR-URL: #47240
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

src/dataqueue/queue.cc

@@ -787,7 +787,7 @@ class FdEntry final : public EntryImpl {
  public:
   static std::unique_ptr<FdEntry> Create(Environment* env, Local<Value> path) {
     // We're only going to create the FdEntry if the file exists.
-    uv_fs_t req;
+    uv_fs_t req = uv_fs_t();
     auto cleanup = OnScopeLeave([&] { uv_fs_req_cleanup(&req); });
 
     auto buf = std::make_shared<BufferValue>(env->isolate(), path);
@@ -849,7 +849,7 @@ class FdEntry final : public EntryImpl {
   }
 
   static bool CheckModified(FdEntry* entry, int fd) {
-    uv_fs_t req;
+    uv_fs_t req = uv_fs_t();
     auto cleanup = OnScopeLeave([&] { uv_fs_req_cleanup(&req); });
     // TODO(jasnell): Note the use of a sync fs call here is a bit unfortunate.
     // Doing this asynchronously creates a bit of a race condition tho, a file

test/embedding/embedtest.cc

@@ -75,7 +75,7 @@ int RunNodeInstance(MultiIsolatePlatform* platform,
     if (snapshot_as_file_it != args.end()) {
       snapshot = node::EmbedderSnapshotData::FromFile(fp);
     } else {
-      uv_fs_t req;
+      uv_fs_t req = uv_fs_t();
       int statret = uv_fs_stat(nullptr, &req, filename, nullptr);
       assert(statret == 0);
       size_t filesize = req.statbuf.st_size;