Fix:gui:qt5_qml: Fix -Wunused-variable

this fixes the warnings:

backend.cpp:176:25: warning: unused variable ‘nav’ [-Wunused-variable]
  176 |     struct navigation * nav = NULL;
      |                         ^~~

1 files changed, 1 insertions, 6 deletions

diff --git a/navit/gui/qt5_qml/backend.cpp b/navit/gui/qt5_qml/backend.cpp
index 11057c76c..af1b42aa5 100644
--- a/navit/gui/qt5_qml/backend.cpp
+++ b/navit/gui/qt5_qml/backend.cpp
@@ -63,16 +63,13 @@ void Backend::showMenu(struct point *p) {
  * @returns nothing
  */
 void Backend::get_maps() {
-    struct attr attr, on, off, description, type, data, active;
+    struct attr attr, description, type, data, active;
     char * label;
     bool is_active;
     struct attr_iter * iter;
     _maps.clear();
 
     iter = navit_attr_iter_new(NULL);
-    on.type = off.type = attr_active;
-    on.u.num = 1;
-    off.u.num = 0;
     while (navit_get_attr(this->nav, attr_map, &attr, iter)) {
         if (map_get_attr(attr.u.map, attr_description, &description, NULL)) {
             label = g_strdup(description.u.str);
@@ -159,7 +156,6 @@ void Backend::set_engine(QQmlApplicationEngine * engine) {
  * @returns 0 if the item should be discarded, 1 otherwise
  */
 int Backend::filter_pois(struct item *item) {
-    enum item_type *types;
     enum item_type type=item->type;
     if (type >= type_line)
         return 0;
@@ -173,7 +169,6 @@ int Backend::filter_pois(struct item *item) {
  */
 void Backend::get_bookmarks() {
     struct attr attr,mattr;
-    struct navigation * nav = NULL;
     struct item *item;
     struct coord c;
     struct pcoord pc;