[glib] gdbus-tool: Fix some invalid indentation

[Philip Withnall <pwithnall src gnome org>]

commit 51e91e35c1ed931ae7613d78c8ca766c031f9d77
Author: Philip Withnall <withnall endlessm com>
Date:   Mon Oct 9 10:46:37 2017 +0100

    gdbus-tool: Fix some invalid indentation
    
    Signed-off-by: Philip Withnall <withnall endlessm com>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788594

 gio/gdbus-tool.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/gdbus-tool.c b/gio/gdbus-tool.c
index e99b99a..bb7d598 100644
--- a/gio/gdbus-tool.c
+++ b/gio/gdbus-tool.c
@@ -1643,7 +1643,7 @@ handle_introspect (gint        *argc,
 
   if (!request_completion && !g_dbus_is_name (opt_introspect_dest))
     {
-        g_printerr (_("Error: %s is not a valid bus name\n"), opt_introspect_dest);
+      g_printerr (_("Error: %s is not a valid bus name\n"), opt_introspect_dest);
       goto out;
     }