loplugin:indentation (--disable-assert-always-abort)

Change-Id: I9f5f60771e7d658e0806428eb1c515ebb6fad6dd
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/100146
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

vcl/unx/gtk3/gtk3gtkframe.cxx

@@ -3552,7 +3552,7 @@ gboolean GtkDropTarget::signalDragDrop(GtkWidget* pWidget, GdkDragContext* conte
 #ifndef NDEBUG
     bool res =
 #endif
-        g_idle_remove_by_data(this);
+    g_idle_remove_by_data(this);
     assert(res);
 
     css::datatransfer::dnd::DropTargetDropEvent aEvent;