Simplification of LLPrimitive::setVolume ala davep. Have had this for a while, I just never commited until now. Haven't noticed any misbehavior with this alteration, and I'm tired of it going uncommited.

indra/llprimitive/llprimitive.cpp

@@ -744,7 +744,11 @@ BOOL LLPrimitive::setVolume(const LLVolumeParams &volume_params, const S32 detai
 		setNumTEs(mVolumep->getNumFaces());
 		return TRUE;
 	}
-
+	
+#if 0 
+	// #if 0'd out by davep
+	// this is a lot of cruft to set texture entry values that just stay the same for LOD switch 
+	// or immediately get overridden by an object update message, also crashes occasionally
 	U32 old_face_mask = mVolumep->mFaceMask;
 
 	S32 face_bit = 0;
@@ -942,6 +946,13 @@ BOOL LLPrimitive::setVolume(const LLVolumeParams &volume_params, const S32 detai
 			setTE(te_num, *(old_tes.getTexture(face_mapping[face_bit])));
 		}
 	}
+#else
+	// build the new object
+	sVolumeManager->unrefVolume(mVolumep);
+	mVolumep = volumep; 
+
+	setNumTEs(mVolumep->getNumFaces());
+#endif
 	return TRUE;
 }