Resolve lints in CudaDeviceInterface.cpp (#1137)

Author: Dan-Flores

src/torchcodec/_core/CudaDeviceInterface.cpp

@@ -342,6 +342,9 @@ std::optional<const AVCodec*> CudaDeviceInterface::findCodec(
   void* i = nullptr;
   const AVCodec* codec = nullptr;
   while ((codec = av_codec_iterate(&i)) != nullptr) {
+    TORCH_CHECK(
+        codec != nullptr,
+        "codec returned by av_codec_iterate should not be null");
     if (isDecoder) {
       if (codec->id != codecId || !av_codec_is_decoder(codec)) {
         continue;

src/torchcodec/_core/DeviceInterface.h

@@ -160,7 +160,7 @@ class DeviceInterface {
   virtual std::optional<const AVCodec*> findHardwareEncoder(
       [[maybe_unused]] const AVCodecID& codecId) {
     TORCH_CHECK(false);
-  };
+  }
 
  protected:
   torch::Device device_;