[gtranslator: 15/20] window: Fix crash on pressing ESC

[Daniel Garcia Moreno <danigm src gnome org>]

commit 1321632de030c4fa296250b4100234acee078eb8
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Sat Mar 5 14:57:07 2022 +0100

    window: Fix crash on pressing ESC
    
    When pressing esc while in the dialog created by "Open From DL...",
    gtr_tab_show_hide_search_bar (tab, show) would crash as tab is NULL.

 src/gtr-window.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/src/gtr-window.c b/src/gtr-window.c
index ece9c045..6be75f41 100644
--- a/src/gtr-window.c
+++ b/src/gtr-window.c
@@ -921,7 +921,9 @@ gtr_window_show_search_bar (GtrWindow *window,
   GtrNotebook *notebook = GTR_NOTEBOOK (priv->notebook);
   GtrTab *tab = gtr_window_get_active_tab (window);
 
-  gtr_tab_show_hide_search_bar (tab, show);
+  if (tab != NULL)
+    gtr_tab_show_hide_search_bar (tab, show);
+
   gtr_notebook_enable_find_button(notebook, show);
 
   priv->search_bar_shown = show;