[2157] updated includes

src/bin/auth/statistics.cc.pre

@@ -22,6 +22,8 @@
 #include <dns/opcode.h>
 #include <dns/rcode.h>
 
+#include <statistics/counter.h>
+
 #include <algorithm>
 #include <cctype>
 #include <cassert>

src/bin/auth/statistics.h

@@ -21,7 +21,6 @@
 #include <dns/opcode.h>
 
 #include <statistics/counter.h>
-#include <statistics/counter_dict.h>
 
 #include <boost/noncopyable.hpp>