Fix missing call to glfwTerminate
diff --git a/examples/wave.c b/examples/wave.c
index f5af379..1de7e6f 100644
--- a/examples/wave.c
+++ b/examples/wave.c
@@ -455,6 +455,7 @@
         glfwPollEvents();
     }
 
+    glfwTerminate();
     exit(EXIT_SUCCESS);
 }