--- quicklook/tracker/flight/src/FTrkScanQLook_EXPERT.cc	2006/05/10 09:47:45	1.1
+++ quicklook/tracker/flight/src/FTrkScanQLook_EXPERT.cc	2006/06/01 15:23:13	1.2
@@ -13,6 +13,7 @@
  */
 #include <TString.h>
 #include <fcntl.h>
+#include <unistd.h>
 
 extern void FTrkScanQLook_EXPERT(TString file, TString outdir, Int_t event, Int_t DSPprint, TString format);
 extern void info();