X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=mix_effect.h;fp=mix_effect.h;h=4ef62fe9a2454c4754635fd62566e93bbb63a96b;hp=967c06b2ba59ac47b9ed21b7f1692f90bfdde854;hb=37f56fcbe571b2322243f6de59494bf9e0cbb37a;hpb=d7b26059d60a5debd032b4a3e887b612b19dd488

diff --git a/mix_effect.h b/mix_effect.h
index 967c06b..4ef62fe 100644
--- a/mix_effect.h
+++ b/mix_effect.h
@@ -4,6 +4,8 @@
 // Combine two images: a*x + b*y. If you set a within [0,1] and b=1-a,
 // you will get a fade; if not, you may get surprising results (consider alpha).
 
+#include <string>
+
 #include "effect.h"
 
 class MixEffect : public Effect {