Define host_to_le64() for Windows builds

Signed-off-by: Jouni Malinen <j@w1.fi>

src/utils/common.h

@@ -150,6 +150,7 @@ static inline unsigned int wpa_swap_32(unsigned int v)
 #define host_to_le32(n) (n)
 #define be_to_host32(n) wpa_swap_32(n)
 #define host_to_be32(n) wpa_swap_32(n)
+#define host_to_le64(n) (n)
 
 #define WPA_BYTE_SWAP_DEFINED