Update utility.hpp

grundman · web-flow · commit fce74699613e · 2017-04-10T12:04:09.000-07:00
Adding missing header for ostream decl. in line 384
diff --git a/modules/core/include/opencv2/core/utility.hpp b/modules/core/include/opencv2/core/utility.hpp
@@ -54,6 +54,7 @@
 #endif
 
 #include "opencv2/core.hpp"
+#include <ostream>
 
 namespace cv
 {
