Fix typo class variable bug in TSocketPool

Reviewed By: corson


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@664902 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/php/src/transport/TSocketPool.php b/lib/php/src/transport/TSocketPool.php
index 9fa967a..d9c78f8 100644
--- a/lib/php/src/transport/TSocketPool.php
+++ b/lib/php/src/transport/TSocketPool.php
@@ -181,7 +181,7 @@
       // Only connect if not in the middle of a fail interval, OR if this
       // is the LAST server we are trying, just hammer away on it
       $isLastServer = FALSE;
-      if ($alwaysTryLast) {
+      if ($this->alwaysTryLast_) {
         $isLastServer = ($i == ($numServers - 1));
       }