Houdini : Avoid deprecation warnings.

This is required now that we're compiling with -Werror

Author: andrewkaufman

src/IECoreHoudini/OBJ_SceneCacheGeometry.cpp

@@ -32,7 +32,7 @@
 //
 //////////////////////////////////////////////////////////////////////////
 
-#include "UT/UT_PtrArray.h"
+#include "UT/UT_ValArray.h"
 #include "UT/UT_Version.h"
 
 #include "IECoreHoudini/OBJ_SceneCacheGeometry.h"
@@ -119,7 +119,7 @@ void OBJ_SceneCacheGeometry::pushToHierarchy()
 	getFullPathName( fullPathName );
 	GeometryType geomType = getGeometryType();
 
-	UT_PtrArray<OP_Node*> children;
+	UT_ValArray<OP_Node*> children;
 	int numSceneSops = getOpsByName( SOP_SceneCacheSource::typeName, children );
 	for ( int i=0; i < numSceneSops; ++i )
 	{

src/IECoreHoudini/OBJ_SceneCacheTransform.cpp

@@ -42,7 +42,7 @@
 
 #include "PRM/PRM_ChoiceList.h"
 #include "UT/UT_Interrupt.h"
-#include "UT/UT_PtrArray.h"
+#include "UT/UT_ValArray.h"
 
 #include "IECoreHoudini/OBJ_SceneCacheGeometry.h"
 #include "IECoreHoudini/OBJ_SceneCacheTransform.h"
@@ -383,7 +383,7 @@ void OBJ_SceneCacheTransform::pushToHierarchy()
 	getTagFilter( tagFilterStr );
 	tagFilter.compile( tagFilterStr );
 
-	UT_PtrArray<OP_Node*> children;
+	UT_ValArray<OP_Node*> children;
 	int numSceneNodes = getOpsByName( OBJ_SceneCacheTransform::typeName, children );
 	for ( int i=0; i < numSceneNodes; ++i )
 	{

src/IECoreHoudini/ROP_SceneCacheWriter.cpp

@@ -45,7 +45,7 @@
 #include "ROP/ROP_Error.h"
 #include "SOP/SOP_Node.h"
 #include "UT/UT_Interrupt.h"
-#include "UT/UT_PtrArray.h"
+#include "UT/UT_ValArray.h"
 #include "UT/UT_StringMMPattern.h"
 
 #include "IECoreScene/LinkedScene.h"
@@ -194,7 +194,7 @@ int ROP_SceneCacheWriter::startRender( int nframes, fpreal s, fpreal e )
 		OP_Bundle *bundle = getParmBundle( pForceObjects.getToken(), 0, forceObjects, baseNode, data->getOpFilter() );
 
 		// add all of the parent nodes
-		UT_PtrArray<OP_Node *> nodes;
+		UT_ValArray<OP_Node *> nodes;
 		bundle->getMembers( nodes );
 		size_t numNodes = nodes.entries();
 		for ( size_t i = 0; i < numNodes; ++i )