[vala] gdbus: Don't pass null to get_ccode_array_length_type() to fix criticals

[Rico Tzschichholz <ricotz src gnome org>]

commit 974f5713150b13a657f47e1b6f54135d8328ab01
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sun Nov 4 10:00:01 2018 +0100

    gdbus: Don't pass null to get_ccode_array_length_type() to fix criticals

 codegen/valagdbusclientmodule.vala | 6 ++----
 codegen/valagdbusservermodule.vala | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/codegen/valagdbusclientmodule.vala b/codegen/valagdbusclientmodule.vala
index a0f15b42b..57051b2c4 100644
--- a/codegen/valagdbusclientmodule.vala
+++ b/codegen/valagdbusclientmodule.vala
@@ -800,9 +800,8 @@ public class Vala.GDBusClientModule : GDBusModule {
                                                ccode.add_declaration (get_ccode_name (param.variable_type), 
new CCodeVariableDeclarator.zero ("_vala_%s".printf (param.name), default_value_for_type 
(param.variable_type, true)));
 
                                                var array_type = param.variable_type as ArrayType;
-                                               var length_ctype = get_ccode_array_length_type (array_type);
-
                                                if (array_type != null) {
+                                                       var length_ctype = get_ccode_array_length_type 
(array_type);
                                                        for (int dim = 1; dim <= array_type.rank; dim++) {
                                                                ccode.add_declaration (length_ctype, new 
CCodeVariableDeclarator ("_vala_%s_length%d".printf (param.name, dim), new CCodeConstant ("0")));
                                                        }
@@ -841,9 +840,8 @@ public class Vala.GDBusClientModule : GDBusModule {
                                                ccode.add_declaration (get_ccode_name (m.return_type), new 
CCodeVariableDeclarator.zero ("_result", default_value_for_type (m.return_type, true)));
 
                                                var array_type = m.return_type as ArrayType;
-                                               var length_ctype = get_ccode_array_length_type (array_type);
-
                                                if (array_type != null) {
+                                                       var length_ctype = get_ccode_array_length_type 
(array_type);
                                                        for (int dim = 1; dim <= array_type.rank; dim++) {
                                                                ccode.add_declaration (length_ctype, new 
CCodeVariableDeclarator ("_result_length%d".printf (dim), new CCodeConstant ("0")));
                                                        }
diff --git a/codegen/valagdbusservermodule.vala b/codegen/valagdbusservermodule.vala
index c446ffd0e..904e04502 100644
--- a/codegen/valagdbusservermodule.vala
+++ b/codegen/valagdbusservermodule.vala
@@ -149,8 +149,8 @@ public class Vala.GDBusServerModule : GDBusClientModule {
                                }
 
                                var array_type = param.variable_type as ArrayType;
-                               var length_ctype = get_ccode_array_length_type (array_type);
                                if (array_type != null) {
+                                       var length_ctype = get_ccode_array_length_type (array_type);
                                        for (int dim = 1; dim <= array_type.rank; dim++) {
                                                string length_cname = get_parameter_array_length_cname 
(param, dim);