[gnome-terminal] about: Mention the gnome version corresponding to the release

[Christian Persch <chpe src gnome org>]

commit d18c292d98a4ea14c827c3c65d3ece5bf8714721
Author: Christian Persch <chpe src gnome org>
Date:   Tue Nov 17 21:45:10 2020 +0100

    about: Mention the gnome version corresponding to the release

 src/terminal-util.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/src/terminal-util.c b/src/terminal-util.c
index d4b6f80a..99628ea9 100644
--- a/src/terminal-util.c
+++ b/src/terminal-util.c
@@ -41,6 +41,7 @@
 #include "terminal-app.h"
 #include "terminal-intl.h"
 #include "terminal-util.h"
+#include "terminal-version.h"
 #include "terminal-libgsystem.h"
 
 /**
@@ -174,6 +175,7 @@ terminal_util_show_about (void)
   gsize n_authors = 0, n_contributors = 0, n_artists = 0, n_documenters = 0 , i;
   GPtrArray *array;
   gs_free char *comment;
+  gs_free char *version;
   gs_free char *vte_version;
   GtkWindow *dialog;
 
@@ -220,6 +222,11 @@ terminal_util_show_about (void)
 
   licence_text = terminal_util_get_licence_text ();
 
+  int gnome_version = (TERMINAL_MINOR_VERSION + 1) & ~1;
+  version = g_strdup_printf (_("Version %s for GNOME %d"),
+                             VERSION,
+                             gnome_version);
+
   vte_version = g_strdup_printf (_("Using VTE version %u.%u.%u"),
                                  vte_get_major_version (),
                                  vte_get_minor_version (),
@@ -236,7 +243,7 @@ terminal_util_show_about (void)
                          "program-name", _("GNOME Terminal"),
                          "copyright", copyright,
                          "comments", comment,
-                         "version", VERSION,
+                         "version", version,
                          "authors", array_strv,
                          "artists", artists,
                          "documenters", documenters,