fix(cpp1): fix typo in the case for inspect

Author: JohelEGP

source/cppfront.cpp

@@ -1930,7 +1930,7 @@ class cppfront
         auto operator()(inspect_expression_node const& expr) const
             -> bool
         {
-            return self->is_deducible(*expr.result_type);
+            return self->is_dependent(*expr.result_type);
         }
     };