LibCompress: Let GzipDecompressor take a MaybeOwned<Stream>

Author: https://github.com/timschumi
Commit: https://github.com/SerenityOS/serenity/commit/90780d9ade
Pull-request: https://github.com/SerenityOS/serenity/pull/20652
Reviewed-by: https://github.com/LucasChollet ✅

Userland/Libraries/LibCompress/Gzip.cpp

@@ -54,7 +54,7 @@ GzipDecompressor::Member::Member(BlockHeader header, NonnullOwnPtr<DeflateDecomp
 {
 }
 
-GzipDecompressor::GzipDecompressor(NonnullOwnPtr<Stream> stream)
+GzipDecompressor::GzipDecompressor(MaybeOwned<Stream> stream)
     : m_input_stream(make<LittleEndianInputBitStream>(move(stream)))
 {
 }

Userland/Libraries/LibCompress/Gzip.h

@@ -42,7 +42,7 @@ struct Flags {
 
 class GzipDecompressor final : public Stream {
 public:
-    GzipDecompressor(NonnullOwnPtr<Stream>);
+    GzipDecompressor(MaybeOwned<Stream>);
     ~GzipDecompressor();
 
     virtual ErrorOr<Bytes> read_some(Bytes) override;