[network-manager-applet] c-e: use Unicode quotation marks in a new string

[Piotr Drąg <piotrdrag src gnome org>]

commit 6c0462cf0bae51bf81f793cbe65fa81d1fb4817a
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Mar 23 16:38:20 2017 +0100

    c-e: use Unicode quotation marks in a new string
    
    See https://developer.gnome.org/hig/stable/typography.html

 src/wireless-security/eap-method.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/wireless-security/eap-method.c b/src/wireless-security/eap-method.c
index c2da74b..a5088f8 100644
--- a/src/wireless-security/eap-method.c
+++ b/src/wireless-security/eap-method.c
@@ -232,7 +232,7 @@ eap_method_validate_filepicker (GtkBuilder *builder,
 
        if (!g_file_test (filename, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
                success = FALSE;
-               g_set_error (error, NMA_ERROR, NMA_ERROR_GENERIC, _("file \"%s\" does not exist"), filename);
+               g_set_error (error, NMA_ERROR, NMA_ERROR_GENERIC, _("file “%s” does not exist"), filename);
                goto out;
        }