Fix compile for win32

src/windows.h

@@ -39,6 +39,7 @@ typedef unsigned int in_addr_t;
 #define T_CNAME DNS_TYPE_CNAME
 #define T_MX DNS_TYPE_MX
 #define T_TXT DNS_TYPE_TXT
+#define T_SRV DNS_TYPE_SRV
 
 #define C_IN 1
 
@@ -48,6 +49,8 @@ typedef unsigned int in_addr_t;
 #define NOTIMP 4
 #define REFUSED 5
 
+#define sleep(seconds) Sleep((seconds)*1000)
+
 typedef struct {
         unsigned        id :16;         /* query identification number */
                         /* fields in third byte */