Apply various clang-tidy checks for smartprs and modern C++ types

code/AssetLib/Ply/PlyLoader.cpp

@@ -133,7 +133,7 @@ static bool isBigEndian(const char *szMe) {
 void PLYImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) {
     const std::string mode = "rb";
     std::unique_ptr<IOStream> fileStream(pIOHandler->Open(pFile, mode));
-    if (!fileStream.get()) {
+    if (!fileStream) {
         throw DeadlyImportError("Failed to open file ", pFile, ".");
     }