fixed android build

ClientContext.cpp

@@ -6,6 +6,7 @@
 #include "FS.h"
 #include "Log.h"
 #include "Identity.h"
+#include "util.h"
 #include "ClientContext.h"
 
 namespace i2p

HTTP.cpp

@@ -6,6 +6,7 @@
 * See full license text in LICENSE file at top of project tree
 */
 
+#include "util.h"
 #include "HTTP.h"
 #include <algorithm>
 #include <ctime>

HTTPServer.cpp

@@ -21,6 +21,7 @@
 #include "ClientContext.h"
 #include "HTTPServer.h"
 #include "Daemon.h"
+#include "util.h"
 
 // For image and info
 #include "version.h"

I2PControl.cpp

@@ -23,6 +23,7 @@
 #include "Timestamp.h"
 #include "Transports.h"
 #include "version.h"
+#include "util.h"
 #include "I2PControl.h"
 
 namespace i2p