X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=alpha_division_effect.h;h=2b51c3a7256c6e53ca7633b561cfef1864c13aa6;hb=37f56fcbe571b2322243f6de59494bf9e0cbb37a;hp=e700112fb2a909c108c2ddb48ccbb3b96d5ab0ed;hpb=d7b26059d60a5debd032b4a3e887b612b19dd488;p=movit

diff --git a/alpha_division_effect.h b/alpha_division_effect.h
index e700112..2b51c3a 100644
--- a/alpha_division_effect.h
+++ b/alpha_division_effect.h
@@ -3,6 +3,8 @@
 
 // Convert premultiplied alpha to postmultiplied alpha, simply by multiplying.
 
+#include <string>
+
 #include "effect.h"
 
 class AlphaDivisionEffect : public Effect {