Fixed PluginInstance class test warning (#488)

This commit fixed PluginInstance class test warning

Signed-off-by: Ivan Vagin <ivan.vagin@samsung.com>

diff --git a/contrib/nnc/libs/plugin/src/PluginInstance.test.cpp b/contrib/nnc/libs/plugin/src/PluginInstance.test.cpp
index 68643cf..c6103e1 100644 (file)
--- a/contrib/nnc/libs/plugin/src/PluginInstance.test.cpp
+++ b/contrib/nnc/libs/plugin/src/PluginInstance.test.cpp
@@ -15,7 +15,7 @@ public:
   void setParam(const std::string &name) override {}
   void setParam(const std::string &name, const std::string &value) override {}
   void checkConfig() override {}
-  void *execute(void *data) override {}
+  void *execute(void *data) override {return nullptr;}
 };   
 
 class ConcreteSession : public AbstractSession