Fix deprecation warning

Change-Id: I0018abf869de623c87c23fdbf03653f951dc7619
diff --git a/app/src/main/kotlin/de/ids_mannheim/korapxmltools/KorapXmlTool.kt b/app/src/main/kotlin/de/ids_mannheim/korapxmltools/KorapXmlTool.kt
index c32fee3..20471cc 100644
--- a/app/src/main/kotlin/de/ids_mannheim/korapxmltools/KorapXmlTool.kt
+++ b/app/src/main/kotlin/de/ids_mannheim/korapxmltools/KorapXmlTool.kt
@@ -1444,7 +1444,7 @@
                     LOGGER.info("Opening ZIP: $zipPath for foundry=$zipFoundry")
                     
                     try {
-                        val zipFile = ApacheZipFile(File(zipPath))
+                        val zipFile = openZipFile(zipPath)
                         val entries = zipFile.entries.toList()
                             .filter { !it.isDirectory && it.name.matches(Regex(".*(data|tokens|structure|morpho|dependency|sentences|constituency|header)\\.xml$")) }