add gettimeofday() compatibility function for windows

plugins that need that:
  - remotesink
  - remotesource

plugins/channeltx/remotesource/remotesource.cpp

@@ -17,8 +17,13 @@
 
 #include "remotesource.h"
 
+#if (defined _WIN32_) || (defined _MSC_VER)
+#include "windows_time.h"
+#include <stdint.h>
+#else
 #include <sys/time.h>
 #include <unistd.h>
+#endif
 #include <boost/crc.hpp>
 #include <boost/cstdint.hpp>