fix : SET_IMPL_MACRO

include/aidge/operator/GlobalAveragePooling.hpp

@@ -57,7 +57,7 @@ public:
   void computeOutputDims() override final;
 
   void setBackend(const std::string &name, DeviceIdx_t device = 0) override {
-    mImpl = SET_IMPL_MACRO(GlobalAveragePooling_Op, *this, name);
+    SET_IMPL_MACRO(GlobalAveragePooling_Op, *this, name);
     mOutputs[0]->setBackend(name, device);
   }