fixes for 64 bit windows build.

1 files changed, 1 insertions, 1 deletions

diff --git a/cpp/src/Glacier2/RequestQueue.cpp b/cpp/src/Glacier2/RequestQueue.cpp
index 6554eda8b3b..ef0beeb6b3b 100644
--- a/cpp/src/Glacier2/RequestQueue.cpp
+++ b/cpp/src/Glacier2/RequestQueue.cpp
@@ -290,7 +290,7 @@ void
 Glacier2::RequestQueue::run()
 {
     RequestQueuePtr self = this; // This is to avoid creating a temporary Ptr for each call to Request::invoke()
-    int dispatchCount = 0; // The dispatch count keeps track of the number of outstanding twoway requests.
+    ptrdiff_t dispatchCount = 0; // The dispatch count keeps track of the number of outstanding twoway requests.
     while(true)
     {
 	vector<RequestPtr> requests;