=== modified file 'configure.ac'
--- configure.ac	2012-12-07 10:41:11 +0000
+++ configure.ac	2012-12-26 12:50:08 +0000
@@ -903,7 +903,7 @@
                  [Enable ESI for accelerators. Benefits from expat or libxml2.
                   Enabling ESI will cause squid reverse proxies to be capable
                   of the Edge Acceleration Specification (www.esi.org).]),
-                 [squid_opt_use_esi=$enableval], [squid_opt_use_esi=no])
+                 [squid_opt_use_esi=$enableval])
 HAVE_LIBEXPAT=0
 EXPATLIB=
 HAVE_LIBXML2=0