Merge pull request #530 from apache/cstdint-internal-headers

Add missing <cstdint> and <iterator> includes to hll and cpc internal headers

Author: leerho

cpc/include/compression_data.hpp

@@ -22,6 +22,8 @@
 #ifndef CPC_COMPRESSION_DATA_HPP_
 #define CPC_COMPRESSION_DATA_HPP_
 
+#include <cstdint>
+
 namespace datasketches {
 
 /*

hll/include/coupon_iterator.hpp

@@ -20,6 +20,9 @@
 #ifndef _INTARRAYPAIRITERATOR_HPP_
 #define _INTARRAYPAIRITERATOR_HPP_
 
+#include <cstdint>
+#include <iterator>
+
 namespace datasketches {
 
 template<typename A>