[vala/0.42] codegen: Don't check boolean values for (in)equality in GTask API

[Rico Tzschichholz <ricotz src gnome org>]

commit f01ca3104788670512c7787dfc834cfb2d56f129
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Jan 5 18:11:30 2019 +0100

    codegen: Don't check boolean values for (in)equality in GTask API
    
    This resolves any value but 0 to true as it is suppose to be.
    
      /* invalid */
      if (condition == TRUE)
        do_foo ();
    
      /* valid */
      if (another_condition)
        do_bar ();
    
    See https://gitlab.gnome.org/GNOME/glib/issues/1636

 codegen/valaccodemethodmodule.vala | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/codegen/valaccodemethodmodule.vala b/codegen/valaccodemethodmodule.vala
index 2d8bf9e3b..23113c3c7 100644
--- a/codegen/valaccodemethodmodule.vala
+++ b/codegen/valaccodemethodmodule.vala
@@ -139,15 +139,15 @@ public abstract class Vala.CCodeMethodModule : CCodeStructModule {
                var state_is_not_zero = new CCodeBinaryExpression (CCodeBinaryOperator.INEQUALITY, state, 
zero);
                ccode.open_if (state_is_not_zero);
 
-               CCodeBinaryExpression task_is_complete;
+               CCodeExpression task_is_complete;
 
                if (context.require_glib_version (2, 44)) {
                        var task_complete = new CCodeFunctionCall (new CCodeIdentifier 
("g_task_get_completed"));
                        task_complete.add_argument (async_result_expr);
-                       task_is_complete = new CCodeBinaryExpression (CCodeBinaryOperator.INEQUALITY, 
task_complete, new CCodeConstant ("TRUE"));
+                       task_is_complete = new CCodeUnaryExpression (CCodeUnaryOperator.LOGICAL_NEGATION, 
task_complete);
                } else {
                        var task_complete = new CCodeMemberAccess.pointer (data_var, "_task_complete_");
-                       task_is_complete = new CCodeBinaryExpression (CCodeBinaryOperator.INEQUALITY, 
task_complete, new CCodeConstant ("TRUE"));
+                       task_is_complete = new CCodeUnaryExpression (CCodeUnaryOperator.LOGICAL_NEGATION, 
task_complete);
                }
 
                ccode.open_while (task_is_complete);