From 7676104f4c97ed8da2e667616cca2edf18903931 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Wed, 22 Jun 2016 19:19:00 +0200
Subject: [PATCH] Fix error compiling with pre-C++11 compilers

---
 panda/src/downloader/urlSpec.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/panda/src/downloader/urlSpec.cxx b/panda/src/downloader/urlSpec.cxx
index 46504f96d1..09769f3693 100644
--- a/panda/src/downloader/urlSpec.cxx
+++ b/panda/src/downloader/urlSpec.cxx
@@ -47,7 +47,7 @@ URLSpec(const URLSpec &url, const Filename &path) {
     string dirname = get_path();
 
     // Check if the path already ends in a slash.
-    if (!dirname.empty() && dirname.back() == '/') {
+    if (!dirname.empty() && dirname[dirname.size() - 1] == '/') {
       if (path[0] == '/') {
         // And the filename begins with one.  Remove the extra slash.
         dirname.resize(dirname.size() - 1);