fp-print: Set the aligned_data as the data used by the cleanup function

g_variant_new_from_data() allows to destroy some other user_data passed as
parameter that might be different from the aligned_data itself.

But since in this case they match, pass it to be set as g_free parameter
or it won't be free'd.

libfprint/fp-print.c

@@ -1009,7 +1009,7 @@ fp_print_deserialize (const guchar *data,
   memcpy (aligned_data, data + 3, length - 3);
   raw_value = g_variant_new_from_data (FP_PRINT_VARIANT_TYPE,
                                        aligned_data, length - 3,
-                                       FALSE, g_free, NULL);
+                                       FALSE, g_free, aligned_data);
 
   if (!raw_value)
     goto invalid_format;