fixes for mac build

src/db.cpp

@@ -5,6 +5,7 @@
 #include "headers.h"
 #include "db.h"
 #include "net.h"
+#include <boost/filesystem/operations.hpp>
 #include <boost/filesystem/fstream.hpp>
 
 using namespace std;

src/init.cpp

@@ -7,6 +7,7 @@
 #include "net.h"
 #include "init.h"
 #include "strlcpy.h"
+#include <boost/filesystem/operations.hpp>
 #include <boost/filesystem/fstream.hpp>
 #include <boost/interprocess/sync/file_lock.hpp>
 

src/main.cpp

@@ -6,6 +6,7 @@
 #include "net.h"
 #include "init.h"
 #include "cryptopp/sha.h"
+#include <boost/filesystem/operations.hpp>
 #include <boost/filesystem/fstream.hpp>
 
 using namespace std;

src/util.cpp

@@ -5,6 +5,7 @@
 #include "strlcpy.h"
 #include <boost/program_options/detail/config_file.hpp>
 #include <boost/program_options/parsers.hpp>
+#include <boost/filesystem/operations.hpp>
 #include <boost/filesystem/fstream.hpp>
 #include <boost/interprocess/sync/interprocess_mutex.hpp>
 #include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>