Fix for DIRMINA-666 : Content-Length should not be written content-length

git-svn-id: https://svn.apache.org/repos/asf/mina/asyncweb/trunk@749136 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/common/src/main/java/org/apache/asyncweb/common/codec/HttpResponseDecodingState.java b/common/src/main/java/org/apache/asyncweb/common/codec/HttpResponseDecodingState.java
index f1fb732..3901f4c 100644
--- a/common/src/main/java/org/apache/asyncweb/common/codec/HttpResponseDecodingState.java
+++ b/common/src/main/java/org/apache/asyncweb/common/codec/HttpResponseDecodingState.java
@@ -76,7 +76,7 @@
     /**
      * The header which provides a requests content length
      */
-    private static final String CONTENT_LENGTH = "content-length";
+    private static final String CONTENT_LENGTH = "Content-Length";
 
     /**
      * Indicates the start of a coding extension