Fix Clang warning -Wtautological-type-limit-compare

NAS2D/Filesystem.cpp

@@ -315,16 +315,16 @@ std::string Filesystem::readFile(const std::filesystem::path& filename) const
 	}
 
 	const auto fileSize = std::filesystem::file_size(filePath);
-	if constexpr (std::numeric_limits<decltype(fileSize)>::max() > std::numeric_limits<std::string::size_type>::max())
+	std::string fileBuffer;
+	if constexpr (std::numeric_limits<decltype(fileSize)>::max() > fileBuffer.max_size())
 	{
-		if (fileSize > std::numeric_limits<std::string::size_type>::max())
+		if (fileSize > fileBuffer.max_size())
 		{
 			throw std::runtime_error("Error opening file: " + filename.string() + " : File too large");
 		}
 	}
 	const auto bufferSize = static_cast<std::string::size_type>(fileSize);
 
-	std::string fileBuffer;
 	fileBuffer.resize(bufferSize);
 
 	file.read(fileBuffer.data(), static_cast<std::streamsize>(bufferSize));