fix missing uintXX_t in nameser.h

include/arpa/nameser.h

@@ -1,6 +1,8 @@
 #ifndef _ARPA_NAMESER_H
 #define _ARPA_NAMESER_H
 
+#include <stdint.h>
+
 #define __NAMESER	19991006
 #define NS_PACKETSZ	512
 #define NS_MAXDNAME	1025