Set the buffer size if it is above the one specified when OutputBuffer object was created.
This change resets the behavior to the one before r1758421.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1767903 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/java/org/apache/catalina/connector/OutputBuffer.java b/java/org/apache/catalina/connector/OutputBuffer.java
index 06dfb95..42782c4 100644
--- a/java/org/apache/catalina/connector/OutputBuffer.java
+++ b/java/org/apache/catalina/connector/OutputBuffer.java
@@ -639,7 +639,7 @@
 
 
     public void setBufferSize(int size) {
-        if (size != bb.capacity()) {
+        if (size > bb.capacity()) {
             bb = ByteBuffer.allocate(size);
             clear(bb);
         }