Index: future.hpp
===================================================================
--- future.hpp	(revision 75884)
+++ future.hpp	(working copy)
@@ -413,13 +413,19 @@
 
             struct all_futures_lock
             {
-                count_type count;
+#ifdef _MANAGED
+                typedef std::ptrdiff_t count_type_portable;
+#else
+                typedef count_type count_type_portable;
+#endif
+                count_type_portable count;
+
                 boost::scoped_array<boost::unique_lock<boost::mutex> > locks;
 
                 all_futures_lock(std::vector<registered_waiter>& futures):
                     count(futures.size()),locks(new boost::unique_lock<boost::mutex>[count])
                 {
-                    for(count_type i=0;i<count;++i)
+                    for(count_type_portable i=0;i<count;++i)
                     {
 #if defined __DECCXX || defined __SUNPRO_CC
                         locks[i]=boost::unique_lock<boost::mutex>(futures[i].future->mutex).move();
@@ -436,7 +442,7 @@
 
                 void unlock()
                 {
-                    for(count_type i=0;i<count;++i)
+                    for(count_type_portable i=0;i<count;++i)
                     {
                         locks[i].unlock();
                     }