Fix left out printf's
diff --git a/scripts/generate_errors.pl b/scripts/generate_errors.pl
index b25e99a..04591b2 100755
--- a/scripts/generate_errors.pl
+++ b/scripts/generate_errors.pl
@@ -94,7 +94,7 @@
     my $found_hl = grep $_ eq $module_name, @high_level_modules;
     if (!$found_ll && !$found_hl)
     {
-        printf("Error: Do not know how to handle: $module_name\n");
+        polarssl_printf("Error: Do not know how to handle: $module_name\n");
         exit 1;
     }