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

code/AssetLib/SMD/SMDLoader.cpp

@@ -535,7 +535,7 @@ void SMDImporter::GetAnimationFileList(const std::string &pFile, IOSystem* pIOHa
     auto path = base + "/" + name + "_animation.txt";
 
     std::unique_ptr<IOStream> file(pIOHandler->Open(path.c_str(), "rb"));
-    if (file.get() == nullptr) {
+    if (file == nullptr) {
         return;
     }
 
@@ -675,7 +675,7 @@ void SMDImporter::ReadSmd(const std::string &pFile, IOSystem* pIOHandler) {
     std::unique_ptr<IOStream> file(pIOHandler->Open(pFile, "rb"));
 
     // Check whether we can read from the file
-    if (file.get() == nullptr) {
+    if (file == nullptr) {
         throw DeadlyImportError("Failed to open SMD/VTA file ", pFile, ".");
     }