From a1add7d0908a699e3444fa6a24f4dfc749d79280 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Sun, 20 Sep 2009 18:48:54 +0000
Subject: [PATCH] compilation error

---
 direct/src/plugin/p3dInstanceManager.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/direct/src/plugin/p3dInstanceManager.cxx b/direct/src/plugin/p3dInstanceManager.cxx
index 558a28fe17..0fdd06c206 100644
--- a/direct/src/plugin/p3dInstanceManager.cxx
+++ b/direct/src/plugin/p3dInstanceManager.cxx
@@ -928,7 +928,9 @@ remove_file_from_list(vector<string> &contents, const string &filename) {
 #ifdef _WIN32
   // Convert backslashes to slashes.
   string clean_filename;
-  for (string::iterator pi = filename.begin(); pi != filename.end(); ++pi) {
+  for (string::const_iterator pi = filename.begin(); 
+       pi != filename.end(); 
+       ++pi) {
     if ((*pi) == '\\') {
       clean_filename += '/';
     } else {