Do not release reference on the subject of an expression

We don't own the reference in the first place.

diff --git a/gtk/gtkconstraintexpression.c b/gtk/gtkconstraintexpression.c
index 0e5db96b622b9d4ce9db5a91ff0830c44ae503ec..6cd7dfcbafbc2d0a343c53461070d30bfa7edc77 100644 (file)
--- a/gtk/gtkconstraintexpression.c
+++ b/gtk/gtkconstraintexpression.c
@@ -982,9 +982,6 @@ gtk_constraint_expression_add_variable (GtkConstraintExpression *expression,
                 gtk_constraint_solver_note_removed_variable (solver, variable, subject);
 
               gtk_constraint_expression_remove_term (expression, variable);
-
-              if (subject != NULL)
-                gtk_constraint_variable_unref (subject);
             }
           else
             {