[sysprof] display: show time in local time

[Christian Hergert <chergert src gnome org>]

commit 66d412b23571d5f58e252cb74b2d0b1001b8bbc1
Author: Christian Hergert <chergert redhat com>
Date:   Thu Oct 28 19:01:18 2021 -0700

    display: show time in local time
    
    Fixes #67

 src/libsysprof-ui/sysprof-display.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/src/libsysprof-ui/sysprof-display.c b/src/libsysprof-ui/sysprof-display.c
index 43b8a7d0..b2ba2bc5 100644
--- a/src/libsysprof-ui/sysprof-display.c
+++ b/src/libsysprof-ui/sysprof-display.c
@@ -253,7 +253,14 @@ sysprof_display_dup_title (SysprofDisplay *self)
 
       if ((dt = g_date_time_new_from_iso8601 (capture_time, NULL)))
         {
-          g_autofree gchar *formatted = g_date_time_format (dt, "%X");
+          g_autoptr(GDateTime) local = g_date_time_to_local (dt);
+          g_autofree gchar *formatted = NULL;
+
+          if (local != NULL)
+            formatted = g_date_time_format (local, "%X");
+          else
+            formatted = g_date_time_format (dt, "%X");
+
           /* translators: %s is replaced with locale specific time of recording */
           return g_strdup_printf (_("Recording at %s"), formatted);
         }