Fix warning related to inconsistent-missing-destructor-override.

Signed-off-by: Jackie9527 <80555200+Jackie9527@users.noreply.github.com>

code/Common/ZipArchiveIOSystem.cpp

@@ -68,7 +68,7 @@ class ZipFile : public IOStream {
 
 public:
     std::string m_Filename;
-    virtual ~ZipFile();
+    virtual ~ZipFile() override;
 
     // IOStream interface
     size_t Read(void *pvBuffer, size_t pSize, size_t pCount) override;