Fixes #160 'missing header file on windows'

1 files changed, 5 insertions, 0 deletions

diff --git a/linkhash.c b/linkhash.c
index 712c387..630ed0c 100644
--- a/linkhash.c
+++ b/linkhash.c
@@ -21,6 +21,11 @@
 # include <endian.h>    /* attempt to define endianness */
 #endif
 
+#ifdef _MSC_VER
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>   /* Get InterlockedCompareExchange */
+#endif
+
 #include "random_seed.h"
 #include "linkhash.h"