[gtk/matthiasc/for-master] placesview: Don't do the same thing twice

[Matthias Clasen <matthiasc src gnome org>]

commit 78343ef61ac76dcb41130ee38d7a0e2cdccf82cd
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat May 9 19:41:30 2020 -0400

    placesview: Don't do the same thing twice
    
    When the schema is supported, we want to remove
    the error style class, not add it again. Pointed
    out by Rafał Mikrut.
    
    Fixes: #2724

 gtk/gtkplacesview.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkplacesview.c b/gtk/gtkplacesview.c
index 290ac976ac..8522372a43 100644
--- a/gtk/gtkplacesview.c
+++ b/gtk/gtkplacesview.c
@@ -1890,7 +1890,7 @@ out:
   if (scheme && !supported)
     gtk_widget_add_css_class (view->address_entry, GTK_STYLE_CLASS_ERROR);
   else
-    gtk_widget_add_css_class (view->address_entry, GTK_STYLE_CLASS_ERROR);
+    gtk_widget_remove_css_class (view->address_entry, GTK_STYLE_CLASS_ERROR);
 
   g_free (address);
   g_free (scheme);