[gnome-commander] Reduce complaining if fail

[Uwe Scholz <uwescholz src gnome org>]

commit 3d60d93e3eba757654e9558a7ae85b8ed994b7b4
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Tue Sep 28 20:57:52 2021 +0200

    Reduce complaining if fail

 src/gnome-cmd-dir.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/src/gnome-cmd-dir.cc b/src/gnome-cmd-dir.cc
index 874cc074..49ba7a1c 100644
--- a/src/gnome-cmd-dir.cc
+++ b/src/gnome-cmd-dir.cc
@@ -378,7 +378,10 @@ GnomeCmdDir *gnome_cmd_dir_get_child (GnomeCmdDir *dir, const gchar *child)
 
 GnomeCmdCon *gnome_cmd_dir_get_connection (GnomeCmdDir *dir)
 {
-    g_return_val_if_fail (GNOME_CMD_IS_DIR (dir), nullptr);
+    if (!GNOME_CMD_IS_DIR (dir))
+    {
+        return nullptr;
+    }
 
     return dir->priv->con;
 }