unittests: fix build.

diff --git a/test/unit/UTLogStream.h b/test/unit/UTLogStream.h
index df4467b..87ebea9 100644 (file)
--- a/test/unit/UTLogStream.h
+++ b/test/unit/UTLogStream.h
@@ -53,7 +53,7 @@ public:
         // empty
     }
 
-    void write(const char* message) override {
+    virtual void write(const char* message) {
         if ( nullptr != message ) {
             m_messages.push_back( std::string( message ) );
         }