Hopefully kill a stupid warning on Windows.

Source/Core/Common/Src/FileUtil.cpp

@@ -781,9 +781,9 @@ IOFile::IOFile(IOFile&& other)
 	Swap(other);
 }
 
-IOFile& IOFile::operator=(IOFile other)
+IOFile& IOFile::operator=(IOFile&& other)
 {
-	Swap(other);
+	IOFile(std::move(other)).Swap(*this);
 	return *this;
 }
 

Source/Core/Common/Src/FileUtil.h

@@ -160,7 +160,7 @@ public:
 	~IOFile();
 	
 	IOFile(IOFile&& other);
-	IOFile& operator=(IOFile other);
+	IOFile& operator=(IOFile&& other);
 	
 	void Swap(IOFile& other);