[vala/0.42] codegen: Add prototype for *_new() of abstact compact classes

[Rico Tzschichholz <ricotz src gnome org>]

commit a16dfcf99cb0c6ecf6c30cb7ad6011c5af3b84d0
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Nov 5 08:28:08 2018 +0100

    codegen: Add prototype for *_new() of abstact compact classes
    
    Found with -Werror=missing-prototypes

 codegen/valaccodemethodmodule.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/codegen/valaccodemethodmodule.vala b/codegen/valaccodemethodmodule.vala
index b536e749f..2d8bf9e3b 100644
--- a/codegen/valaccodemethodmodule.vala
+++ b/codegen/valaccodemethodmodule.vala
@@ -197,7 +197,7 @@ public abstract class Vala.CCodeMethodModule : CCodeStructModule {
                var cl = m.parent_symbol as Class;
 
                // do not generate _new functions for creation methods of abstract classes
-               if (!(m is CreationMethod && cl != null && cl.is_abstract)) {
+               if (!(m is CreationMethod && cl != null && cl.is_abstract && !cl.is_compact)) {
                        bool etv_tmp = ellipses_to_valist;
                        ellipses_to_valist = false;
                        generate_cparameters (m, decl_space, cparam_map, function, null, carg_map, new 
CCodeFunctionCall (new CCodeIdentifier ("fake")));