Fix openid checkbox state handling

Author: strk

templates/install.tmpl

@@ -191,7 +191,7 @@
 							<div class="inline field">
 								<div class="ui checkbox" id="openid-signin">
 									<label class="poping up" data-content="{{.i18n.Tr "install.openid_signin_popup"}}"><strong>{{.i18n.Tr "install.openid_signin"}}</strong></label>
-									<input name="enable_open_id_sign_in" type="checkbox" {{if .enable_openid_signin}}checked{{end}}>
+									<input name="enable_open_id_sign_in" type="checkbox" {{if .enable_open_id_sign_in}}checked{{end}}>
 								</div>
 							</div>
 							<div class="inline field">
@@ -203,7 +203,7 @@
 							<div class="inline field">
 								<div class="ui checkbox" id="disable-openid-registration">
 									<label class="poping up" data-content="{{.i18n.Tr "install.disable_openid_registration_popup"}}"><strong>{{.i18n.Tr "install.disable_openid_registration"}}</strong></label>
-									<input name="disable_open_id_registration" type="checkbox" {{if .enable_disable_openid_registration}}checked{{end}}>
+									<input name="disable_open_id_registration" type="checkbox" {{if .disable_open_id_registration}}checked{{end}}>
 								</div>
 							</div>
 							<div class="inline field">