[gimp] libgimpconfig: free a GimpValueArray on deserialization failure.

[Jehan <jehanp src gnome org>]

commit c3e3c68a0171eb0a20ee1d99deb05e17e1ba3b15
Author: Jehan <jehan girinstud io>
Date:   Sat Aug 21 19:19:23 2021 +0200

    libgimpconfig: free a GimpValueArray on deserialization failure.
    
    Thanks to Massimo.

 libgimpconfig/gimpconfig-deserialize.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/libgimpconfig/gimpconfig-deserialize.c b/libgimpconfig/gimpconfig-deserialize.c
index 431143ccf6..d9d22fa403 100644
--- a/libgimpconfig/gimpconfig-deserialize.c
+++ b/libgimpconfig/gimpconfig-deserialize.c
@@ -817,7 +817,10 @@ gimp_config_deserialize_value_array (GValue     *value,
       g_value_unset (&array_value);
 
       if (token != G_TOKEN_RIGHT_PAREN)
-        return token;
+        {
+          gimp_value_array_unref (array);
+          return token;
+        }
     }
 
   g_value_take_boxed (value, array);