Fix for compilation with gcc 4.7

diff --git a/src/HOMARD/HOMARD_Cas.cxx b/src/HOMARD/HOMARD_Cas.cxx
index af223f81579d897915ca939be8eb84e25c3bdee8..17537bea8f6fb679eb35d3193fba70b1cf648308 100644 (file)
--- a/src/HOMARD/HOMARD_Cas.cxx
+++ b/src/HOMARD/HOMARD_Cas.cxx
@@ -26,6 +26,10 @@
 #include "utilities.h"
 #include <iostream>
 
+#ifndef WIN32
+# include <unistd.h>
+#endif
+
 //=============================================================================
 /*!
  *  default constructor: