add missing include

diff --git a/gltest.cpp b/gltest.cpp
index 7f98eec9f898999c5aa10fceb3b6fd7d8e32c027..f5f341e1410a2a77060986138f47252ccae28697 100644 (file)
--- a/gltest.cpp
+++ b/gltest.cpp
@@ -17,6 +17,7 @@
  */
 
 // stdlib includes
+#include <iostream>
 #include <time.h>
 #include <stdio.h>
 #include <stdlib.h>