Fixed : minor warnings under Visual 32 bits
diff --git a/lib/fse.c b/lib/fse.c
index 526f822..02c8ed6 100644
--- a/lib/fse.c
+++ b/lib/fse.c
@@ -195,9 +195,9 @@
 static size_t FSE_readLEST(const void* memPtr)
 {
     if (sizeof(size_t)==4)
-        return FSE_readLE32(memPtr);
+        return (size_t)FSE_readLE32(memPtr);
     else
-        return FSE_readLE64(memPtr);
+        return (size_t)FSE_readLE64(memPtr);
 }
 
 static void FSE_writeLEST(void* memPtr, size_t val)