Add missing cstdlib include for EXIT_SUCCESS and free

modules/tinyexr/image_saver_tinyexr.cpp

@@ -34,6 +34,7 @@
 #include "core/math/math_funcs.h"
 
 #include <zlib.h> // Should come before including tinyexr.
+#include <cstdlib>
 
 #include "thirdparty/tinyexr/tinyexr.h"
 

scene/main/scene_tree.h

@@ -36,6 +36,8 @@
 #include "core/templates/self_list.h"
 #include "scene/main/scene_tree_fti.h"
 
+#include <cstdlib>
+
 #undef Window
 
 class ArrayMesh;