diverse anpassungen an gcc 4.7

baselib/progs/testProgressBar.cpp

@@ -11,7 +11,7 @@
 
 
 #include "core/basics/Config.h"
-
+#include <unistd.h>
 #include "core/basics/StringTools.h"
 // #include "features/simplefeatures/FourierLibrary.h"
 #include "vislearning/baselib/ProgressBar.h"

features/gradientfeatures/progs/testPHOGFeatures.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 #include "core/basics/Config.h"
 #include "vislearning/features/gradientfeatures/PHOGFeature.h"
+#include <unistd.h>
 
 using namespace std;
 using namespace NICE;