[dumper] Fix threads initialization

Correctly guard with g_thread_supported, call g_thread_init before
g_type_init.

diff --git a/giscanner/dumper.py b/giscanner/dumper.py
index 0ca8272..b11768c 100644 (file)
--- a/giscanner/dumper.py
+++ b/giscanner/dumper.py
@@ -46,8 +46,8 @@ main(int argc, char **argv)
   GOptionContext *context;
   GError *error = NULL;
 
+  if (!g_thread_supported ()) g_thread_init (NULL);
   g_type_init ();
-  g_thread_init (NULL);
 
   context = g_option_context_new ("");
   g_option_context_add_main_entries (context, entries, "girepository-1.0");