memcpy requires #include <string.h> in a few places for CentOS7/devtoolset-7
diff --git a/src/rogue/interfaces/memory/TcpClient.cpp b/src/rogue/interfaces/memory/TcpClient.cpp
index 85305ed..cf276e1 100755
— a/src/rogue/interfaces/memory/TcpClient.cpp
+++ b/src/rogue/interfaces/memory/TcpClient.cpp
@@ -23,6 +23,7 @@
#include <rogue/interfaces/memory/Constants.h>
#include <rogue/GeneralError.h>
#include <memory>
+#include <string.h>
#include <inttypes.h>
#include <rogue/GilRelease.h>
#include <rogue/Logging.h>
diff --git a/src/rogue/interfaces/memory/TcpServer.cpp b/src/rogue/interfaces/memory/TcpServer.cpp
index be9b958..cca48dd 100755
— a/src/rogue/interfaces/memory/TcpServer.cpp
+++ b/src/rogue/interfaces/memory/TcpServer.cpp
@@ -21,6 +21,7 @@
#include <rogue/interfaces/memory/Constants.h>
#include <rogue/GeneralError.h>
#include <memory>
+#include <string.h>
#include <inttypes.h>
#include <rogue/GilRelease.h>
#include <rogue/Logging.h>
diff --git a/src/rogue/interfaces/stream/TcpCore.cpp b/src/rogue/interfaces/stream/TcpCore.cpp
index 71d23cb..2486d77 100755
— a/src/rogue/interfaces/stream/TcpCore.cpp
+++ b/src/rogue/interfaces/stream/TcpCore.cpp
@@ -24,6 +24,7 @@
#include <rogue/interfaces/stream/Buffer.h>
#include <rogue/GeneralError.h>
#include <memory>
+#include <string.h>
#include <rogue/GilRelease.h>
#include <rogue/Logging.h>
#include <zmq.h>