Suppresed gimp warning at startup of xscanimage

Oliver Rauch

src/xscanimage.c

@@ -1757,6 +1757,7 @@ main (int argc, char **argv)
 #ifdef HAVE_LIBGIMP_GIMP_H
   {
     GPrintFunc old_print_func;
+    GPrintFunc old_printerr_func;
     int result;
 
     /* Temporarily install a print function that discards all output.
@@ -1764,9 +1765,11 @@ main (int argc, char **argv)
        gimp" messages when xscanimage gets invoked in stand-alone
        mode.  */
     old_print_func = g_set_print_handler (null_print_func);
+    old_printerr_func = g_set_printerr_handler(null_print_func);
     /* gimp_main () returns 1 if xscanimage wasn't invoked by GIMP */
     result = gimp_main (argc, argv);
     g_set_message_handler (old_print_func);
+    g_set_error_handler(old_printerr_func);
     if (result)
       interface (argc, argv);
   }