[gedit] About dialog: translate some strings

[Sébastien Wilmet <swilmet src gnome org>]

commit 71f121b10b9d923cd834ea5738f6b41cd30b1b8a
Author: Sébastien Wilmet <swilmet informatique-libre be>
Date:   Wed Jul 27 03:25:15 2022 +0200

    About dialog: translate some strings
    
    I've dropped the indentation for the last one, doesn't worth the
    difficulty of getting this right for all languages (especially RTL, for
    which I don't know if it would work at all, matching the indentation of
    non-localized names).

 gedit/gedit-commands-help.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gedit/gedit-commands-help.c b/gedit/gedit-commands-help.c
index f261f3b99..20b4bf435 100644
--- a/gedit/gedit-commands-help.c
+++ b/gedit/gedit-commands-help.c
@@ -82,14 +82,14 @@ _gedit_cmd_help_about (GeditWindow *window)
                 * relative contribution (number of commits at the time of
                 * writing).
                 */
-               "Main authors:",
+               _("Main authors:"),
                "   Paolo Borelli",
                "   Sébastien Wilmet",
                "   Ignacio Casal Quinteiro",
                "   Jesse van den Kieboom",
                "   Paolo Maggi",
                "",
-               "Many thanks also to:",
+               _("Many thanks also to:"),
                "   Alex Roberts",
                "   Chema Celorio",
                "   Evan Lawrence",
@@ -99,7 +99,7 @@ _gedit_cmd_help_about (GeditWindow *window)
                "   Sébastien Lafargue",
                "   Steve Frécinaux",
                "",
-               "   and many other contributors.",
+               _("and many other contributors."),
                "",
                NULL
        };