bug 60128: make code Java 6 compatible. Throwable#addSuppressed not available until Java 7

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1760732 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/java/org/apache/poi/openxml4j/opc/ZipPackage.java

@@ -99,8 +99,8 @@ public final class ZipPackage extends OPCPackage {
             try {
                 zis.close();
             } catch (final IOException e2) {
-                e2.addSuppressed(e);
-                throw new IOException("Failed to close zip input stream while cleaning up", e2);
+                e.printStackTrace();
+                throw new IOException("Failed to close zip input stream while cleaning up. " + e.getMessage(), e2);
             }
             throw new IOException("Failed to read zip entry source", e);
         }