[gimp] app: fix minor indentation bugs.

[Jehan <jehanp src gnome org>]

commit dd705e21c0591f29be5d74b95e9ccafde2278ba2
Author: Jehan <jehan girinstud io>
Date:   Sun Mar 22 12:29:51 2020 +0100

    app: fix minor indentation bugs.

 app/widgets/gimpcontainertreeview.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/widgets/gimpcontainertreeview.c b/app/widgets/gimpcontainertreeview.c
index 18f1743c5a..c152b6ee0e 100644
--- a/app/widgets/gimpcontainertreeview.c
+++ b/app/widgets/gimpcontainertreeview.c
@@ -1509,9 +1509,9 @@ gimp_container_tree_view_drag_pixbuf (GtkWidget *widget,
 
 static gboolean
 gimp_container_tree_view_get_selected_single (GimpContainerTreeView  *tree_view,
-                                               GtkTreeIter            *iter)
+                                              GtkTreeIter            *iter)
 {
-  GtkTreeSelection         *selection;
+  GtkTreeSelection *selection;
 
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view->view));