#4334 Crash at getIsDynamic #2

A TPV dev asked to change this, so that ref wouldn't be called on some
environments.

Author: akleshchev

indra/newview/llreflectionmap.h

@@ -124,7 +124,7 @@ class alignas(16) LLReflectionMap : public LLRefCount
     LLSpatialGroup* mGroup = nullptr;
 
     // viewer object this probe is tracking (if any)
-    LLPointer<LLViewerObject> mViewerObject = nullptr;
+    LLPointer<LLViewerObject> mViewerObject;
 
     // what priority should this probe have (higher is higher priority)
     // currently only 0 or 1