[gobject-introspection] g-ir-compiler: Fix leaks in write_out_typelib

[Emmanuele Bassi <ebassi src gnome org>]

commit 454c71881c3a9e20250e89b3439f000429484fb5
Author: David King <dking redhat com>
Date:   Thu May 20 13:58:13 2021 +0100

    g-ir-compiler: Fix leaks in write_out_typelib
    
    Found by Coverity.
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1938731

 tools/compiler.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/tools/compiler.c b/tools/compiler.c
index 700305ed..182b00b3 100644
--- a/tools/compiler.c
+++ b/tools/compiler.c
@@ -110,6 +110,8 @@ write_out_typelib (gchar *prefix,
     }
   success = TRUE;
 out:
+  g_clear_object (&file_obj);
+  g_clear_object (&tmp_file_obj);
   g_free (filename);
   g_free (tmp_filename);