[seed] Expose seed_value_from_gvalue().

[Steve Frécinaux <sfre src gnome org>]

commit a2ba35cd632a3ae15e7c320222fea7b02c79a84d
Author: Steve Frécinaux <code istique net>
Date:   Fri Jul 16 20:29:44 2010 +0200

    Expose seed_value_from_gvalue().
    
    https://bugzilla.gnome.org/show_bug.cgi?id=624560

 libseed/seed.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/libseed/seed.h b/libseed/seed.h
index 3606e80..b71589c 100644
--- a/libseed/seed.h
+++ b/libseed/seed.h
@@ -148,6 +148,9 @@ gboolean seed_value_is_number (SeedContext ctx, SeedValue value);
 void seed_value_unprotect (SeedContext ctx, SeedValue value);
 void seed_value_protect (SeedContext ctx, SeedValue value);
 
+SeedValue seed_value_from_gvalue (SeedContext ctx,
+				  GValue * gval, SeedException * exception);
+
 gboolean seed_value_to_boolean (SeedContext ctx,
 				SeedValue val, SeedException * exception);