Fix a Clang warning.

Patch by Dan Dennedy.

diff --git a/effect_chain.h b/effect_chain.h
index 4b277b38d8d8eab6b221dd651a52d2889564cec7..88d5d3202faba525f4bb0a92af9bee70e14d7055 100644 (file)
--- a/effect_chain.h
+++ b/effect_chain.h
@@ -9,7 +9,7 @@
 #include "input.h"
 
 class EffectChain;
-class Phase;
+struct Phase;
 
 // For internal use within Node.
 enum AlphaType {