Index: /trunk/boost/iostreams/filter/zlib.hpp
===================================================================
--- /trunk/boost/iostreams/filter/zlib.hpp	(revision 45783)
+++ /trunk/boost/iostreams/filter/zlib.hpp	(revision 57610)
@@ -21,4 +21,5 @@
 #include <new>          
 #include <boost/config.hpp>  // MSVC, STATIC_CONSTANT, DEDUCED_TYPENAME, DINKUM.
+#include <boost/cstdint.hpp> // uint*_t
 #include <boost/detail/workaround.hpp>
 #include <boost/iostreams/constants.hpp>   // buffer size.
@@ -44,7 +45,7 @@
                     // Typedefs
 
-typedef unsigned int uint;
-typedef unsigned char byte;
-typedef unsigned long ulong;
+typedef uint32_t uint;
+typedef uint8_t byte;
+typedef uint32_t ulong;
 
 // Prefix 'x' prevents symbols from being redefined when Z_PREFIX is defined