cleaned up examples

a8055361 · Davis King · 88fe0bd3 · a8055361
Commit a8055361 authored Mar 22, 2015 by Davis King
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examples/3d_point_cloud_ex.cpp examples/3d_point_cloud_ex.cpp +2 -0

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--- a/examples/3d_point_cloud_ex.cpp
+++ b/examples/3d_point_cloud_ex.cpp
@@ -9,8 +9,10 @@
 #include <dlib/gui_widgets.h>
 #include <dlib/image_transforms.h>
+#include <cmath>
 using namespace dlib;
+using namespace std;
 // ----------------------------------------------------------------------------------------