d8fab0
diff -uNrp old/operations/common/matting-global.c new/operations/common/matting-global.c
d8fab0
--- old/operations/common/matting-global.c	2012-04-02 23:15:26.000000000 +0200
d8fab0
+++ new/operations/common/matting-global.c	2016-12-04 11:10:25.255103750 +0100
d8fab0
@@ -19,6 +19,7 @@
d8fab0
 #include "config.h"
d8fab0
 #include <glib/gi18n-lib.h>
d8fab0
 #include <math.h>
d8fab0
+#include <stdlib.h>
d8fab0
 
d8fab0
 #ifdef GEGL_CHANT_PROPERTIES
d8fab0