Fixing build break on GCC, the typedef has to be there apparently

libwccl/ops/vargetter.h

@@ -41,6 +41,7 @@ public:
 		return T::var_repr(var_acc_.get_name());
 	}
 protected:
+	typedef FunctionBase::BaseRetValPtr BaseRetValPtr;
 	/**
 	 * Return value held by the underlying variable.
 	 */