Fix various clazy warnings

src/queue/queue.cpp

@@ -273,7 +273,7 @@ void Queue::Clear() {
 
 void Queue::Move(const QList<int> &proxy_rows, int pos) {
 
-  layoutAboutToBeChanged();
+  emit layoutAboutToBeChanged();
   QList<QPersistentModelIndex> moved_items;
 
   // Take the items out of the list first, keeping track of whether the insertion point changes
@@ -308,7 +308,7 @@ void Queue::Move(const QList<int> &proxy_rows, int pos) {
     }
   }
 
-  layoutChanged();
+  emit layoutChanged();
 
 }
 
@@ -446,7 +446,7 @@ void Queue::Remove(QList<int> &proxy_rows) {
   std::stable_sort(proxy_rows.begin(), proxy_rows.end());
 
   // Reflects immediately changes in the playlist
-  layoutAboutToBeChanged();
+  emit layoutAboutToBeChanged();
 
   int removed_rows = 0;
   for (int row : proxy_rows) {
@@ -458,6 +458,6 @@ void Queue::Remove(QList<int> &proxy_rows) {
     removed_rows++;
   }
 
-  layoutChanged();
+  emit layoutChanged();
 
 }