[dconf-editor] Use uint when iterator cannot be negative.

[Arnaud Bonatti <arnaudb src gnome org>]

commit f59d4c15d1f81ae0783b74eec2e2c2cb1e961dd3
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri Dec 1 01:00:06 2017 +0100

    Use uint when iterator cannot be negative.

 editor/registry-search.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/editor/registry-search.vala b/editor/registry-search.vala
index e3cd05e..0a1a229 100644
--- a/editor/registry-search.vala
+++ b/editor/registry-search.vala
@@ -459,7 +459,7 @@ class RegistrySearch : Grid, PathElement, BrowsableView
             if (local != null)
             {
                 GLib.ListStore key_model = ((!) local).key_model;
-                for (int i = 0; i < key_model.get_n_items (); i++)
+                for (uint i = 0; i < key_model.get_n_items (); i++)
                 {
                     SettingObject item = (SettingObject) key_model.get_item (i);
                     if (term in item.name)
@@ -544,7 +544,7 @@ class RegistrySearch : Grid, PathElement, BrowsableView
             bool local_again = next.full_name == current_path;
 
             GLib.ListStore next_key_model = next.key_model;
-            for (int i = 0; i < next_key_model.get_n_items (); i++)
+            for (uint i = 0; i < next_key_model.get_n_items (); i++)
             {
                 SettingObject item = (SettingObject) next_key_model.get_item (i);
                 if (item is Directory)