Index: http.c
===================================================================
--- http.c	(revision 5948)
+++ http.c	(working copy)
@@ -1930,7 +1930,7 @@
       httpFlushWrite(http);
     }
 
-    if ((length + http->wused) < sizeof(http->wbuffer))
+    if ((length + http->wused) <= sizeof(http->wbuffer))
     {
      /*
       * Write to buffer...