[seed] Add missing handler

[Danilo Cesar Lemes de Paula <danilocesar src gnome org>]

commit 9e45c19695f40a4bfebdff584e7952dfb169fa5d
Author: Danilo Cesar Lemes de Paula <danilo cesar collabora co uk>
Date:   Tue Jun 7 10:54:47 2016 -0300

    Add missing handler
    
    This fix a crash where a g_assert_not_reached() was called.

 libseed/seed-types.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libseed/seed-types.c b/libseed/seed-types.c
index 3330419..51208e0 100644
--- a/libseed/seed-types.c
+++ b/libseed/seed-types.c
@@ -147,6 +147,7 @@ seed_release_arg(GITransfer transfer,
                     case GI_TYPE_TAG_GTYPE:
                     case GI_TYPE_TAG_FLOAT:
                     case GI_TYPE_TAG_UINT8:
+                    case GI_TYPE_TAG_INT32:
                     case GI_TYPE_TAG_UINT32:
                         g_free(arg->v_pointer);
                         break;