[vala/0.40] codegen: Correctly handle transformation of translated string-literal constants

[Rico Tzschichholz <ricotz src gnome org>]

commit 25b3c1593fc86699ad9a09af53a0ab412823ed9b
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sun Apr 5 11:02:01 2020 +0200

    codegen: Correctly handle transformation of translated string-literal constants
    
    The required header includes were not emited to the correct declaration space.

 codegen/valaccodebasemodule.vala | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 5f0b2ddd9..e8a27f01d 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -984,6 +984,12 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
 
                                decl_space.add_constant_declaration (cdecl);
                        } else {
+                               if (c.value is StringLiteral && ((StringLiteral) c.value).translate) {
+                                       // translated string constant
+                                       var m = (Method) root_symbol.scope.lookup ("GLib").scope.lookup ("_");
+                                       add_symbol_declaration (decl_space, m, get_ccode_name (m));
+                               }
+
                                var cdefine = new CCodeMacroReplacement.with_expression (get_ccode_name (c), 
get_cvalue (c.value));
                                decl_space.add_type_member_declaration (cdefine);
                        }
@@ -4137,10 +4143,6 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
 
                if (expr.translate) {
                        // translated string constant
-
-                       var m = (Method) root_symbol.scope.lookup ("GLib").scope.lookup ("_");
-                       add_symbol_declaration (cfile, m, get_ccode_name (m));
-
                        var translate = new CCodeFunctionCall (new CCodeIdentifier ("_"));
                        translate.add_argument (get_cvalue (expr));
                        set_cvalue (expr, translate);