FELIX-2157 Set content length to zero when sending the 401/UNAUTHORIZED response

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@918433 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/webconsole/src/main/java/org/apache/felix/webconsole/internal/servlet/OsgiManagerHttpContext.java b/webconsole/src/main/java/org/apache/felix/webconsole/internal/servlet/OsgiManagerHttpContext.java
index 668fa3b..ad6ca00 100644
--- a/webconsole/src/main/java/org/apache/felix/webconsole/internal/servlet/OsgiManagerHttpContext.java
+++ b/webconsole/src/main/java/org/apache/felix/webconsole/internal/servlet/OsgiManagerHttpContext.java
@@ -140,6 +140,7 @@
         {
             response.setHeader( HEADER_WWW_AUTHENTICATE, AUTHENTICATION_SCHEME_BASIC + " realm=\"" + this.realm + "\"" );
             response.setStatus( HttpServletResponse.SC_UNAUTHORIZED );
+            response.setContentLength(0);
             response.flushBuffer();
         }
         catch ( IOException ioe )