[sysprof] libsysprof-ui: add local symbol decoder source to profiler

[Christian Hergert <chergert src gnome org>]

commit 6e3632c0e5c52c21c4b97c084fb2bc5e934cb4d1
Author: Christian Hergert <chergert redhat com>
Date:   Tue May 28 12:16:59 2019 -0700

    libsysprof-ui: add local symbol decoder source to profiler
    
    This allows us to decode symbols locally at the end of a capture so that
    we avoid trying to decode them on a machine without the info.

 src/libsysprof-ui/sysprof-profiler-assistant.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/libsysprof-ui/sysprof-profiler-assistant.c b/src/libsysprof-ui/sysprof-profiler-assistant.c
index d725bea..d433242 100644
--- a/src/libsysprof-ui/sysprof-profiler-assistant.c
+++ b/src/libsysprof-ui/sysprof-profiler-assistant.c
@@ -187,6 +187,7 @@ sysprof_profiler_assistant_record_clicked_cb (SysprofProfilerAssistant *self,
 {
   g_autoptr(SysprofProfiler) profiler = NULL;
   g_autoptr(SysprofCaptureWriter) writer = NULL;
+  g_autoptr(SysprofSource) symbols_source = NULL;
 #ifdef __linux__
   g_autoptr(SysprofSource) proc_source = NULL;
 #endif
@@ -245,6 +246,10 @@ sysprof_profiler_assistant_record_clicked_cb (SysprofProfilerAssistant *self,
   sysprof_profiler_add_source (profiler, proc_source);
 #endif
 
+  /* Always add symbol decoder to save to file immediately */
+  symbols_source = sysprof_symbols_source_new ();
+  sysprof_profiler_add_source (profiler, symbols_source);
+
   /* Now allow the aids to add their sources */
   gtk_container_foreach (GTK_CONTAINER (self->aid_flow_box),
                          (GtkCallback) sysprof_profiler_assistant_foreach_cb,