fixed minor visual warning

diff --git a/lib/decompress/zstd_decompress.c b/lib/decompress/zstd_decompress.c
index 6539eb41e55a4ab4fd33a16e8f5eada46e2bc4d5..d6d97c1d413bd4528bee2d685da7de18c0648b71 100644 (file)
--- a/lib/decompress/zstd_decompress.c
+++ b/lib/decompress/zstd_decompress.c
@@ -58,7 +58,7 @@
 
 #if defined(_MSC_VER)
 #  include <mmintrin.h>   /* https://msdn.microsoft.com/fr-fr/library/84szxsww(v=vs.90).aspx */
-#  define ZSTD_PREFETCH(ptr)   _mm_prefetch(ptr, _MM_HINT_T0)
+#  define ZSTD_PREFETCH(ptr)   _mm_prefetch((const char*)ptr, _MM_HINT_T0)
 #elif defined(__GNUC__)
 #  define ZSTD_PREFETCH(ptr)   __builtin_prefetch(ptr, 0, 0)
 #else