1 files changed, 1 insertions, 0 deletions
diff --git a/indra/newview/llviewerobject.h b/indra/newview/llviewerobject.h
index 21a99c58d9..72c713f2a6 100644
--- a/indra/newview/llviewerobject.h
+++ b/indra/newview/llviewerobject.h
@@ -64,6 +64,7 @@ class LLWorld;
 class LLNameValue;
 class LLNetMap;
 class LLMessageSystem;
+class LLPartSysData;
 class LLPrimitive;
 class LLPipeline;
 class LLTextureEntry;