[bug-64045] close resources if we throw exceptions

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1872265 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/java/org/apache/poi/ooxml/POIXMLDocumentPart.java

@@ -36,7 +36,11 @@ import org.apache.poi.openxml4j.opc.PackageRelationshipCollection;
 import org.apache.poi.openxml4j.opc.PackageRelationshipTypes;
 import org.apache.poi.openxml4j.opc.PackagingURIHelper;
 import org.apache.poi.openxml4j.opc.TargetMode;
-import org.apache.poi.util.*;
+import org.apache.poi.util.IOUtils;
+import org.apache.poi.util.Internal;
+import org.apache.poi.util.POILogFactory;
+import org.apache.poi.util.POILogger;
+import org.apache.poi.util.Removal;
 import org.apache.poi.xddf.usermodel.chart.XDDFChart;
 import org.apache.poi.xssf.usermodel.XSSFRelation;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;