From 9c58cd4817a6deed48f1df45a8933ff88f5fbd4e Mon Sep 17 00:00:00 2001
From: Julian Viereck <julian.viereck@gmail.com>
Date: Sat, 1 Oct 2011 17:15:25 +0200
Subject: [PATCH] Don't add a dependency to the array if the array already
 contains it

---
 pdf.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pdf.js b/pdf.js
index 42f272e68..9f8e4c1c1 100644
--- a/pdf.js
+++ b/pdf.js
@@ -4173,7 +4173,10 @@ var PartialEvaluator = (function() {
         fnArray.push("dependency");
         argsArray.push(depList);
         for (var i = 0; i < depList.length; i++) {
-          dependency.push(depList[i]);
+          var dep = depList[i];
+          if (dependency.indexOf(dep) == -1) {
+            dependency.push(depList[i]);
+          }
         }
       }