fix for #300120

- free device list allocated in sane_get_devices()

backend/abaton.c

@@ -82,6 +82,7 @@
 
 
 
+static const SANE_Device **devlist = 0;
 static int num_devices;
 static Abaton_Device *first_dev;
 static Abaton_Scanner *first_handle;
@@ -905,12 +906,14 @@ sane_exit (void)
       free ((void *) dev->sane.model);
       free (dev);
     }
+
+  if (devlist)
+    free (devlist);
 }
 
 SANE_Status
 sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
 {
-  static const SANE_Device **devlist = 0;
   Abaton_Device *dev;
   int i;