Add missing include of unistd.h

[clitk.git] / common / clitkXdrImageIOWriter.cxx

diff --git a/common/clitkXdrImageIOWriter.cxx b/common/clitkXdrImageIOWriter.cxx
index a9eb77b62d1e9f889cef65632c7e38068f31c848..1e826db7d6ab07b49142085d84d2ce6180069fba 100644 (file)
--- a/common/clitkXdrImageIOWriter.cxx
+++ b/common/clitkXdrImageIOWriter.cxx
@@ -97,6 +97,7 @@ void clitk::XdrImageIO::Write(const void* buffer)
 #include <math.h>
 #include <stdlib.h>
 #include <limits.h>
+#include <unistd.h>
 #if !defined(unix) && !defined(__APPLE__)
 #include <io.h>
 #endif